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

:root {
    --primary-color: #374151;
    --secondary-color: #6b7280;
    --accent-color: #4f46e5;
    --success-color: #059669;
    --warning-color: #d97706;
    --dark-bg: #1f2937;
    --card-bg: #ffffff;
    --gradient-1: linear-gradient(135deg, #374151 0%, #4b5563 100%);
    --gradient-2: linear-gradient(135deg, #6b7280 0%, #374151 100%);
    --gradient-3: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
    --text-dark: #111827;
    --text-light: #6b7280;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 25%, #d1d5db 50%, #9ca3af 75%, #6b7280 100%);
    background-size: 400% 400%;
    animation: gradientShift 20s ease infinite;
    min-height: 100vh;
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(107, 114, 128, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 24px;
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    margin: 0 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background: var(--primary-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
}

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

.nav-links a:hover {
    color: var(--accent-color);
    transform: translateY(-1px);
}

.language-selector select {
    padding: 0.75rem 1rem;
    border: 2px solid transparent;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-dark);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.language-selector select:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.login-button {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 1rem;
}

.login-button:hover {
    background: #3730a3;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

/* Hero Section */
.hero {
    background: transparent;
    color: white;
    padding: 8rem 2rem 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(31, 41, 55, 0.3);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    font-weight: 900;
    line-height: 1.1;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
    color: #ffffff;
}

.hero-content p {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    margin-bottom: 3rem;
    opacity: 0.95;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 700;
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.3);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 35px rgba(79, 70, 229, 0.4);
}

/* Services Section */
.services {
    padding: 6rem 2rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.05"><circle cx="30" cy="30" r="1"/></g></svg>');
    z-index: -1;
}

.services h2 {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 4rem;
    color: var(--text-dark);
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: -0.02em;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-color);
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.service-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 700;
}

.service-card.featured {
    background: rgba(79, 70, 229, 0.05);
    border: 2px solid rgba(79, 70, 229, 0.2);
    transform: scale(1.05);
    box-shadow: 0 15px 35px rgba(79, 70, 229, 0.15);
}

.service-card.featured::before {
    background: var(--accent-color);
}

.badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-description {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.features {
    list-style: none;
}

.features li {
    padding: 0.75rem 0;
    color: var(--text-dark);
    font-weight: 500;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.features li:before {
    content: "✨";
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

.features li:last-child {
    border-bottom: none;
}

/* Pricing Section */
.pricing {
    padding: 6rem 2rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(55, 65, 81, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(107, 114, 128, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.pricing h2 {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 4rem;
    color: var(--text-dark);
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: -0.02em;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 3rem 2rem 2.5rem;
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--primary-color);
}

.pricing-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

.pricing-card.featured {
    background: linear-gradient(135deg, rgba(31, 41, 55, 0.05) 0%, rgba(55, 65, 81, 0.1) 100%);
    border: 2px solid var(--primary-color);
    transform: scale(1.08);
    box-shadow: 0 25px 50px rgba(55, 65, 81, 0.2);
}

.pricing-card.featured::before {
    background: var(--accent-color);
    height: 8px;
}

.save-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-weight: 700;
}

.price {
    margin: 2rem 0 2.5rem;
    position: relative;
}

.currency {
    font-size: 1.5rem;
    color: var(--text-light);
    font-weight: 600;
    vertical-align: top;
}

.amount {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--accent-color);
    margin: 0 0.25rem;
    line-height: 1;
}

.period {
    color: var(--text-light);
    font-size: 1.1rem;
    font-weight: 600;
}

.buy-button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 700;
    width: 100%;
    box-shadow: 0 8px 25px rgba(55, 65, 81, 0.3);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.buy-button::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 0.6s;
}

.buy-button:hover::before {
    left: 100%;
}

.buy-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(55, 65, 81, 0.4);
}

.buy-button-primary {
    background: var(--accent-color);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.3);
}

.buy-button-primary:hover {
    box-shadow: 0 12px 35px rgba(79, 70, 229, 0.4);
}

/* Footer */
.footer {
    background: rgba(31, 41, 55, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    padding: 3rem 2rem;
    border-top: 1px solid rgba(107, 114, 128, 0.2);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.footer p {
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .services-grid,
    .pricing-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 24px;
    }

    .nav-links {
        gap: 1.5rem;
        font-size: 0.9rem;
    }

    .login-button {
        margin: 0;
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
    }

    .hero {
        padding: 6rem 1rem 4rem;
    }

    .services,
    .pricing {
        padding: 4rem 1rem;
    }

    .services-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .service-card,
    .pricing-card {
        padding: 2rem 1.5rem;
    }

    .service-card.featured,
    .pricing-card.featured {
        transform: scale(1);
    }

    .service-card:hover,
    .pricing-card:hover {
        transform: translateY(-5px);
    }

    .amount {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        padding: 0.75rem 16px;
    }

    .hero {
        padding: 4rem 1rem 3rem;
    }

    .services,
    .pricing {
        padding: 3rem 1rem;
    }

    .service-card,
    .pricing-card {
        padding: 1.5rem 1rem;
        border-radius: 16px;
    }

    .logo {
        font-size: 1.5rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.85rem;
    }

    .language-selector select {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
}

/* Animations and Effects */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.service-card:nth-child(1) {
    animation: float 6s ease-in-out infinite;
}

.service-card:nth-child(2) {
    animation: float 6s ease-in-out infinite 2s;
}

.service-card:nth-child(3) {
    animation: float 6s ease-in-out infinite 4s;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}