/* Reset & Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #fbbf24;
    --secondary-color: #f59e0b;
    --accent-color: #eab308;
    --bg-dark: #0f0a00;
    --bg-darker: #0a0500;
    --text-light: #ffffff;
    --text-gray: #9ca3af;
    --card-bg: rgba(45, 35, 10, 0.6);
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --gradient-1: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #eab308 100%);
    --gradient-2: linear-gradient(135deg, rgba(251, 191, 36, 0.2) 0%, rgba(245, 158, 11, 0.2) 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, rgba(251, 191, 36, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(245, 158, 11, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Top Banner */
.top-banner {
    background: var(--gradient-1);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: gradient 3s ease infinite;
    background-size: 200% 200%;
    box-shadow: 0 4px 24px rgba(251, 191, 36, 0.3);
    backdrop-filter: blur(10px);
}

@keyframes gradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.banner-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
    font-size: 14px;
    font-weight: 500;
}

.banner-cta {
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 16px;
    border-radius: 20px;
    text-decoration: none;
    color: white;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.banner-cta:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Header & Navigation */
header {
    background: rgba(15, 10, 0, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(251, 191, 36, 0.2);
    position: sticky;
    top: 44px;
    z-index: 999;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.navbar {
    padding: 20px 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.nav-brand a {
    font-size: 28px;
    font-weight: 900;
    color: var(--text-light);
    text-decoration: none;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(251, 191, 36, 0.5));
    transition: filter 0.3s ease;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s;
}

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    transition: 0.3s;
    border-radius: 3px;
}

/* Hero Section */
.hero {
    padding: 100px 0;
    background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15), transparent 50%),
                radial-gradient(ellipse at bottom, rgba(139, 92, 246, 0.15), transparent 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 72px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -2px;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
    position: relative;
    display: inline-block;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 20px rgba(251, 191, 36, 0.5)); }
    to { filter: drop-shadow(0 0 30px rgba(245, 158, 11, 0.8)); }
}

.hero-text h2 {
    font-size: 24px;
    color: var(--text-gray);
    margin-bottom: 20px;
    font-weight: 600;
}

.hero-text p {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    animation: float 6s ease-in-out infinite;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: var(--gradient-1);
    color: #000000;
    box-shadow: 0 4px 20px rgba(251, 191, 36, 0.4);
    position: relative;
    overflow: hidden;
    font-weight: 700;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 32px rgba(251, 191, 36, 0.6), 0 0 0 1px rgba(251, 191, 36, 0.3);
}

.btn-secondary {
    background: var(--card-bg);
    color: white;
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.btn-large {
    padding: 18px 48px;
    font-size: 18px;
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 60px;
    letter-spacing: -1px;
}

.section-description {
    text-align: center;
    font-size: 18px;
    color: var(--text-gray);
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-darker);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(251, 191, 36, 0.2);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-2);
    opacity: 0;
    transition: opacity 0.4s;
    z-index: -1;
}

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

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 24px 48px rgba(251, 191, 36, 0.3), 0 0 0 1px rgba(251, 191, 36, 0.4);
    border-color: rgba(251, 191, 36, 0.6);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(251, 191, 36, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-icon svg {
    width: 40px;
    height: 40px;
    color: white;
    stroke-width: 2.5;
}

.feature-icon img {
    width: 40px;
    height: 40px;
    filter: brightness(0) invert(1);
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 700;
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* Products Section */
.products {
    padding: 100px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(251, 191, 36, 0.2);
    position: relative;
}

.product-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 24px 48px rgba(251, 191, 36, 0.4), 0 0 0 1px rgba(251, 191, 36, 0.5);
    border-color: rgba(251, 191, 36, 0.6);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 12px;
    z-index: 10;
}

.sale-badge {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.promo-badge {
    background: linear-gradient(135deg, var(--warning-color), #ea580c);
    color: white;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.product-image {
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 20px;
    margin-bottom: 15px;
    font-weight: 700;
    min-height: 50px;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.stars {
    color: var(--warning-color);
    font-size: 18px;
}

.rating-text {
    font-size: 14px;
    color: var(--text-gray);
}

.product-price {
    margin-bottom: 20px;
}

.original-price {
    text-decoration: line-through;
    color: var(--text-gray);
    margin-right: 10px;
    font-size: 16px;
}

.current-price {
    color: var(--success-color);
    font-size: 22px;
    font-weight: 700;
}

/* Stock Info */
.stock-info {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
    display: inline-block;
}

.in-stock {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success-color);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.low-stock {
    background: rgba(251, 191, 36, 0.2);
    color: var(--warning-color);
    border: 1px solid rgba(251, 191, 36, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

.out-of-stock {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Best Product Section */
.best-product {
    padding: 100px 0;
    background: var(--bg-darker);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.benefit-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(251, 191, 36, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-2);
    opacity: 0;
    transition: opacity 0.4s;
    z-index: -1;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(251, 191, 36, 0.3);
    border-color: rgba(251, 191, 36, 0.5);
}

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

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(251, 191, 36, 0.5), inset 0 2px 4px rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.benefit-card:hover .benefit-icon {
    transform: scale(1.1) rotate(-5deg);
}

.benefit-icon svg {
    width: 40px;
    height: 40px;
    color: white;
    stroke-width: 2.5;
}

.benefit-icon img {
    width: 40px;
    height: 40px;
    filter: brightness(0) invert(1);
}

.benefit-card h3 {
    font-size: 22px;
    margin-bottom: 10px;
    font-weight: 700;
}

.benefit-card p {
    color: var(--text-gray);
}

.cta-center {
    text-align: center;
}

/* Check Software Section */
.check-software {
    padding: 100px 0;
}

/* Footer */
footer {
    background: var(--bg-darker);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(251, 191, 36, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: 700;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(251, 191, 36, 0.1);
    color: var(--text-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-darker);
        flex-direction: column;
        padding: 20px;
        display: none;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }

    .nav-menu.active {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 48px;
    }

    .section-title {
        font-size: 36px;
    }

    .banner-content {
        font-size: 12px;
        gap: 15px;
    }

    .features-grid,
    .products-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 36px;
    }

    .hero-text h2 {
        font-size: 20px;
    }

    .hero-text p {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: black;
}

::-moz-selection {
    background: var(--primary-color);
    color: black;
}