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

body {
    font-family: 'Cal Sans', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #ffffff;
}

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

/* Hero Section */
.hero {
    padding: 80px 0 60px;
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    margin: 0 -20px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #2c3e50;
}

.highlight {
    color: #3498db;
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 3px;
    background: #3498db;
    border-radius: 2px;
    animation: highlight-expand 0.8s ease-out;
}

@keyframes highlight-expand {
    from {
        width: 0;
        left: 50%;
    }
    to {
        width: 100%;
        left: 0;
    }
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #7f8c8d;
    margin-bottom: 40px;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: #2c3e50;
}

.feature-icon {
    font-size: 1.5rem;
}

/* Main Content */
.main-content {
    padding: 60px 0;
}

/* Call Section */
.call-section {
    margin-bottom: 80px;
}

.call-card {
    background: white;
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid #e9ecef;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.call-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.call-card h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.call-card p {
    font-size: 1.1rem;
    color: #7f8c8d;
    margin-bottom: 40px;
}

.call-form {
    max-width: 500px;
    margin: 0 auto;
}

.input-group {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.phone-input {
    flex: 1;
    padding: 20px 25px;
    border: 2px solid #e9ecef;
    border-radius: 15px;
    font-size: 1.1rem;
    font-family: 'Space Mono', monospace;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.phone-input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.call-button {
    padding: 20px 35px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.call-button:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.call-button:active {
    transform: translateY(0);
}

.call-button.calling {
    background: #e74c3c;
    animation: pulse 1.5s infinite;
}

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

.call-icon {
    font-size: 1.2rem;
}

.call-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1rem;
    color: #7f8c8d;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #27ae60;
    animation: status-pulse 2s infinite;
}

@keyframes status-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.status-indicator.calling {
    background: #e74c3c;
    animation: calling-pulse 0.5s infinite;
}

@keyframes calling-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* Features Section */
.features-section {
    margin-bottom: 80px;
}

.features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 50px;
}

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

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid #e9ecef;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon-large {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.4rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.feature-card p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* How It Works */
.how-it-works {
    margin-bottom: 80px;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 50px;
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.step {
    text-align: center;
    max-width: 200px;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #3498db;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 10px;
}

.step p {
    color: #7f8c8d;
}

.step-arrow {
    font-size: 2rem;
    color: #bdc3c7;
    font-weight: bold;
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid #e9ecef;
    color: #7f8c8d;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-features {
        gap: 20px;
    }
    
    .call-card {
        padding: 30px 20px;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .call-button {
        justify-content: center;
    }
    
    .steps {
        flex-direction: column;
        gap: 40px;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 60px 0 40px;
        margin: 0 -15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .call-card h2 {
        font-size: 2rem;
    }
}