:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --dark-color: #1f2937;
    --light-color: #f8fafc;
    --text-primary: #fff;
    --text-secondary: #dbeafe;
    --border-color: #2563eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* Header Hero Section */
.hero-section {
    background: linear-gradient(120deg, #2563eb 0%, #1e40af 100%);
    min-height: 60vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns=\'http://www.w3.org/2000/svg\' viewBox=\'0 0 100 100\'><defs><pattern id=\'grid\' width=\'10\' height=\'10\' patternUnits=\'userSpaceOnUse\'><path d=\'M 10 0 L 0 0 0 10\' fill=\'none\' stroke=\'rgba(255,255,255,0.07)\' stroke-width=\'0.5\'/></pattern></defs><rect width=\'100\' height=\'100\' fill=\'url(%23grid)\'/></svg>');
    opacity: 0.18;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--text-primary);
}

.hero-badge {
    background: rgba(255,255,255,0.13);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.22);
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 24px;
    padding: 8px 22px;
    border-radius: 50px;
    display: inline-block;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(30,64,175,0.08);
}

.hero-title {
    color: var(--text-primary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    text-shadow: 0 2px 8px rgba(30,64,175,0.12);
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    font-weight: 400;
    opacity: 0.95;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 8px rgba(30,64,175,0.10);
}

.hero-buttons {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 32px;
    width: 100%;
}

.btn-primary-custom {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(30,64,175,0.10);
    transition: background 0.2s, color 0.2s, border 0.2s;
    font-size: 1.08rem;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
}

.btn-primary-custom:hover {
    background: #fff;
    color: #2563eb;
    border: 2px solid #2563eb;
    box-shadow: 0 4px 16px rgba(30,64,175,0.18);
}

.btn-secondary-custom {
    background: #fff;
    color: #2563eb;
    border: 2px solid #2563eb;
    font-weight: 700;
    font-size: 1.08rem;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(30,64,175,0.04);
    transition: background 0.2s, color 0.2s, border 0.2s;
    padding: 16px 32px;
}

.btn-secondary-custom:hover {
    background: #e0eaff;
    color: #1e40af;
    border: 2px solid #1e40af;
}

/* Features Section */
.features-section {
    padding: 120px 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    margin-bottom: 80px;
}

.section-title h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 16px;
    text-shadow: none;
}

.section-title p {
    font-size: 1.125rem;
    color: #2563eb;
    font-weight: 500;
    max-width: 600px;
    margin: 0 auto;
}

.feature-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 2px 8px rgba(30,64,175,0.06);
    border: 1.5px solid #2563eb22;
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #2563eb, #1e40af);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: #fff;
    font-size: 24px;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1e293b;
}

.feature-card p {
    color: #334155;
    font-weight: 500;
    line-height: 1.7;
}

/* Pricing Calculator */
.pricing-section {
    padding: 120px 0;
    background: white;
}

.calculator-card {
    background: #fff;
    border-radius: 24px;
    padding: 48px 48px 40px 48px;
    box-shadow: 0 4px 24px rgba(30,64,175,0.08);
    border: 1.5px solid #2563eb22;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.calculator-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 32px;
}

.tunnel-logo {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2563eb 60%, #1e40af 100%);
    box-shadow: 0 6px 32px rgba(30,64,175,0.13);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.tunnel-logo .tunnel-inner {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #fff;
    position: absolute;
    left: 25px;
    top: 25px;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(30,64,175,0.10);
}

.tunnel-logo .tunnel-arrow {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%) rotate(-10deg);
    z-index: 3;
    font-size: 2.2rem;
    color: #fff;
    filter: drop-shadow(0 2px 8px rgba(30,64,175,0.10));
}

.calculator-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 32px;
    text-align: center;
    color: #1e293b;
    letter-spacing: -1px;
}

.slider-group {
    margin-bottom: 32px;
}

.slider-label {
    font-size: 1.08rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.slider-label i {
    font-size: 1.1em;
    color: #2563eb;
}

.slider-description {
    font-size: 0.95rem;
    color: #64748b;
    margin-bottom: 12px;
}

.custom-range {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: #e5e7eb;
    outline: none;
    -webkit-appearance: none;
    margin-bottom: 16px;
}

.custom-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #2563eb;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(30,64,175,0.10);
}

.custom-range::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #2563eb;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(30,64,175,0.10);
}

.price-display {
    background: #f8fafc;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid #e5e7eb;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 1.08rem;
}

.price-row:last-child {
    margin-bottom: 0;
    padding-top: 16px;
    border-top: 1px solid #e5e7eb;
}

.price-label {
    font-weight: 600;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 7px;
}

.price-value {
    font-weight: 700;
    color: #2563eb;
    font-size: 1.15rem;
}

.total-price {
    font-size: 2rem;
    font-weight: 800;
    color: #2563eb;
}

.cta-section {
    text-align: center;
    margin-top: 32px;
}

.cta-section .btn-primary-custom, .cta-section .btn-secondary-custom {
    min-width: 220px;
    text-align: center;
    padding-left: 0;
    padding-right: 0;
    justify-content: center;
}

/* Protocols Section */
.protocols-section {
    padding: 120px 0;
    background: #f8fafc;
}

.protocol-card {
    background: #fff;
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 2px 8px rgba(30,64,175,0.06);
    border: 1.5px solid #2563eb22;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.protocol-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.protocol-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #2563eb, #1e40af);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: #fff;
    font-size: 2rem;
}

.protocol-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1e293b;
}

.protocol-card p {
    color: #334155;
    line-height: 1.6;
    font-size: 1.02rem;
    font-weight: 500;
}

/* Process Section */
.process-section {
    padding: 120px 0;
    background: #fff;
}

.process-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
    padding: 32px;
    background: #f8fafc;
    border-radius: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(30,64,175,0.06);
}

.process-step:hover {
    transform: translateX(8px);
    box-shadow: 0 4px 16px rgba(30,64,175,0.10);
}

.step-number {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #2563eb, #1e40af);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    margin-right: 24px;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1e293b;
}

.step-content p {
    color: #334155;
    line-height: 1.6;
    font-size: 1.05rem;
    font-weight: 500;
}

/* CTA Section */
.cta-section-main {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: #fff;
    padding: 120px 0;
}

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

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 24px;
    color: #fff;
}

.cta-description {
    font-size: 1.25rem;
    opacity: 0.85;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: #fff;
}

.cta-content .cta-btn {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
    font-weight: 700;
    font-size: 1.08rem;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(30,64,175,0.10);
    transition: background 0.2s, color 0.2s, border 0.2s;
    padding: 16px 32px;
    margin: 0 12px 0 0;
    min-width: 200px;
    text-align: center;
    gap: 8px;
}

.cta-content .cta-btn:last-child {
    margin-right: 0;
}

.cta-content .cta-btn i {
    color: #fff;
    font-size: 1.2em;
    margin-right: 6px;
    transition: color 0.2s;
}

.cta-content .cta-btn:hover {
    background: #fff;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.cta-content .cta-btn:hover i {
    color: #2563eb;
}

@media (max-width: 768px) {
    .cta-content .cta-btn {
        width: 100%;
        margin: 0 0 16px 0;
    }
    .cta-content .cta-btn:last-child {
        margin-bottom: 0;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    .btn-primary-custom, .btn-secondary-custom {
        width: 100%;
        justify-content: center;
    }
    
    .calculator-card {
        padding: 32px 8vw 32px 8vw;
        max-width: 98vw;
    }
    
    .calculator-logo img {
        max-width: 80px;
    }
    
    .process-step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        margin-right: 0;
        margin-bottom: 16px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.cta-section .btn-primary-custom {
    background: linear-gradient(90deg, #2563eb 0%, #1e40af 100%) !important;
    color: #fff !important;
    border: none !important;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(30,64,175,0.10);
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
    font-size: 1.08rem;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
}
.cta-section .btn-primary-custom:hover {
    background: linear-gradient(90deg, #1e40af 0%, #2563eb 100%) !important;
    color: #fff !important;
    box-shadow: 0 4px 16px rgba(30,64,175,0.18);
}