* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0066CC;
    --primary-dark: #0052A3;
    --primary-light: #3B82F6;
    --secondary-color: #FF6600;
    --secondary-light: #FF8C42;
    --accent-color: #8B5CF6;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --bg-light: #F9FAFB;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --white: #FFFFFF;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    position: relative;
}

.menu-toggle {
    display: none;
    background: none;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-primary);
    padding: 8px 12px;
    transition: all 0.3s ease;
}

.menu-toggle:hover {
    background: var(--bg-light);
    border-color: var(--primary-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    max-width: 120px !important;
    min-width: 80px;
    height: auto;
    object-fit: contain;
}

.logo h1 {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.nav a:not(.btn):hover {
    color: var(--primary-color);
}

.nav a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav a:not(.btn):hover::after {
    width: 100%;
}

.btn {
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(0, 102, 204, 0.39);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px 0 rgba(0, 102, 204, 0.5);
}

.btn-outline {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-primary);
    border: 2px solid var(--bg-light);
}

.btn-secondary:hover {
    background: var(--white);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-large {
    padding: 16px 40px;
    font-size: 17px;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #0066CC 100%);
    color: var(--white);
    padding: 120px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    margin-bottom: 24px;
    line-height: 1.1;
    letter-spacing: -1px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 22px;
    margin-bottom: 48px;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 80px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-top: 80px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.highlight-card {
    text-align: center;
    padding: 32px 24px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.highlight-card::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 0.5s ease;
}

.highlight-card:hover::before {
    left: 100%;
}

.highlight-card:hover {
    transform: translateY(-8px) scale(1.05);
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.highlight-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: inline-block;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.highlight-card:hover .highlight-icon {
    transform: scale(1.2) rotate(5deg);
}

.highlight-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.highlight-card p {
    font-size: 14px;
    opacity: 0.95;
    font-weight: 500;
    color: white;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}

/* Sections */
section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 64px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Features */
.features {
    background: linear-gradient(to bottom, var(--bg-light) 0%, var(--white) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    font-size: 56px;
    margin-bottom: 24px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-weight: 700;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 16px;
}

/* How It Works */
.how-it-works {
    background: var(--white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 800;
    margin: 0 auto 24px;
    box-shadow: 0 8px 20px rgba(0, 102, 204, 0.3);
    transition: all 0.3s ease;
}

.step:hover .step-number {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 30px rgba(0, 102, 204, 0.4);
}

.step h3 {
    font-size: 26px;
    margin-bottom: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
}

/* Pricing */
.pricing {
    background: linear-gradient(to bottom, var(--white) 0%, var(--bg-light) 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    padding: 48px 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.pricing-card:hover::before {
    transform: scaleX(1);
}

.pricing-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.02) 0%, rgba(139, 92, 246, 0.02) 100%);
}

.pricing-card.featured:hover {
    transform: translateY(-8px) scale(1.07);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 24px;
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(255, 102, 0, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-card h3 {
    font-size: 28px;
    margin-bottom: 24px;
    font-weight: 800;
    color: var(--text-primary);
}

.price {
    margin-bottom: 32px;
}

.currency {
    font-size: 24px;
    vertical-align: top;
    font-weight: 600;
    color: var(--text-secondary);
}

.amount {
    font-size: 64px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.period {
    font-size: 18px;
    color: var(--text-secondary);
    font-weight: 500;
    display: block;
    margin-top: 8px;
}

.features-list {
    list-style: none;
    text-align: left;
    margin-bottom: 40px;
}

.features-list li {
    padding: 14px 0;
    color: var(--text-primary);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.features-list li:last-child {
    border-bottom: none;
}

.features-list li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: 700;
    font-size: 20px;
}

/* CTA */
.cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #0066CC 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.cta .container {
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 900;
    letter-spacing: -1px;
}

.cta p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
    font-weight: 400;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section h3 {
    font-size: 24px;
    margin-bottom: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section h4 {
    margin-bottom: 20px;
    font-weight: 700;
    font-size: 18px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-section a:hover {
    color: var(--white);
    transform: translateX(4px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
/* Tablet */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }

    .hero-title {
        font-size: 52px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    /* Header Mobile */
    .header-content {
        flex-wrap: wrap;
        padding: 16px 0;
    }

    .logo h1 {
        font-size: 24px;
    }

    .nav {
        width: 100%;
        flex-direction: column;
        gap: 12px;
        margin-top: 16px;
        display: none;
    }

    .nav.active {
        display: flex;
    }

    .nav a {
        width: 100%;
        text-align: center;
        padding: 12px;
        border-radius: 8px;
        background: rgba(0, 0, 0, 0.05);
    }

    .btn {
        width: 100%;
        padding: 12px 20px;
    }

    /* Mobile Menu Toggle */
    .menu-toggle {
        display: block;
    }

    /* Hero Mobile */
    .hero {
        padding: 80px 0 60px;
    }

    .hero-title {
        font-size: 36px;
        margin-bottom: 16px;
    }

    .hero-subtitle {
        font-size: 16px;
        margin-bottom: 32px;
        padding: 0 10px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        margin-bottom: 40px;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .hero-highlights {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 40px;
    }
    
    .highlight-card {
        padding: 20px 16px;
    }
    
    .highlight-icon {
        font-size: 36px;
        margin-bottom: 12px;
    }
    
    .highlight-card h3 {
        font-size: 16px;
        margin-bottom: 6px;
    }

    .highlight-card p {
        font-size: 13px;
    }

    /* Sections Mobile */
    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 16px;
        padding: 0 10px;
    }

    .section-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
        padding: 0 10px;
    }

    /* Features Mobile */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .feature-card {
        padding: 28px 24px;
    }

    .feature-icon {
        font-size: 48px;
        margin-bottom: 20px;
    }

    .feature-card h3 {
        font-size: 20px;
        margin-bottom: 12px;
    }

    .feature-card p {
        font-size: 15px;
    }

    /* Steps Mobile */
    .steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .step-number {
        width: 64px;
        height: 64px;
        font-size: 28px;
    }

    .step h3 {
        font-size: 22px;
    }

    /* Pricing Mobile */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .pricing-card {
        padding: 32px 24px;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .pricing-card h3 {
        font-size: 24px;
    }

    .amount {
        font-size: 48px;
    }

    /* CTA Mobile */
    .cta {
        padding: 60px 0;
    }

    .cta h2 {
        font-size: 28px;
        margin-bottom: 16px;
        padding: 0 10px;
    }

    .cta p {
        font-size: 16px;
        margin-bottom: 32px;
        padding: 0 10px;
    }

    /* Footer Mobile */
    .footer {
        padding: 60px 0 24px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-section h3 {
        font-size: 20px;
        margin-bottom: 16px;
    }

    .footer-section h4 {
        font-size: 16px;
        margin-bottom: 16px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .section-title {
        font-size: 24px;
    }

    .section-subtitle {
        font-size: 14px;
    }

    .btn-large {
        padding: 14px 24px;
        font-size: 15px;
    }

    .feature-card,
    .pricing-card {
        padding: 24px 20px;
    }
}
