/* Custom CSS for SMS Digital Services Landing Page */

:root {
    --primary-blue: #2563eb;
    --primary-blue-dark: #1e40af;
    --success-green: #059669;
    --success-green-dark: #047857;
    --info-blue: #0ea5e9;
    --warning-orange: #f59e0b;
    --light-gray: #f8fafc;
    --medium-gray: #64748b;
    --dark-gray: #1e293b;
    --white: #ffffff;
    --shadow-light: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-medium: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-large: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --border-radius: 0.5rem;
    --transition: all 0.3s ease;
}

/* Global Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    overflow-x: hidden;
}

.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--primary-blue-dark);
    border-color: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    color: white;
}

.btn-outline-primary {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    transform: translateY(-2px);
    color:white;
    box-shadow: var(--shadow-medium);
}

/* Navigation */
.navbar {
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-link {
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-blue) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
    padding-top: 120px;
}

.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="%23e2e8f0" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.1;
}

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

.trust-indicators {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    max-width: 300px;
    margin: 0 auto;
}

.phone-frame {
    width: 280px;
    height: 560px;
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    border-radius: 30px;
    padding: 20px;
    box-shadow: var(--shadow-large);
    position: relative;
    margin: 0 auto;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: #374151;
    border-radius: 3px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 20px;
    padding: 20px;
    overflow: hidden;
}

.sms-demo {
    display: flex;
    flex-direction: column;
    gap: 15px;
    height: 100%;
    justify-content: center;
}

.sms-bubble {
    max-width: 80%;
    animation: slideIn 0.5s ease-out;
}

.sms-bubble.received {
    align-self: flex-start;
}

.sms-bubble.sent {
    align-self: flex-end;
}

.sms-bubble .message {
    background: #e5e7eb;
    padding: 12px 16px;
    border-radius: 18px;
    margin-bottom: 4px;
    font-size: 14px;
    line-height: 1.4;
}

.sms-bubble.sent .message {
    background: var(--primary-blue);
    color: white;
}

.sms-bubble.success .message {
    background: var(--success-green);
    color: white;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Feature Cards */
.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-large);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--info-blue));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

/* Step Cards */
.step-card {
    position: relative;
    padding: 2rem;
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-5px);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: var(--shadow-medium);
}

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--light-gray), var(--white));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2rem auto 1.5rem;
    border: 3px solid var(--primary-blue);
}

.step-icon i {
    font-size: 2rem;
    color: var(--primary-blue);
}

/* Testimonial Cards */
.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    border: 1px solid #e2e8f0;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.testimonial-card blockquote {
    font-style: italic;
    color: var(--medium-gray);
    position: relative;
}

.testimonial-card blockquote::before {
    content: '"';
    font-size: 3rem;
    color: var(--primary-blue);
    position: absolute;
    top: -10px;
    left: -10px;
    line-height: 1;
}

/* Contact Section */
.contact-form-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    border: 1px solid #e2e8f0;
}

.contact-info {
    padding: 1rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--info-blue));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.2rem;
    color: var(--white);
}

/* Developer Section */
.developer-content {
    padding: 2rem 0;
}

.feature-icon-small {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue), var(--info-blue));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon-small i {
    font-size: 1rem;
    color: var(--white);
}

.developer-image img {
    transition: var(--transition);
}

.developer-image img:hover {
    transform: scale(1.02);
}

/* Form Styles */
.form-control {
    border-radius: var(--border-radius);
    border: 1px solid #d1d5db;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

/* Utility Classes */
.text-primary {
    color: var(--primary-blue) !important;
}

.text-success {
    color: var(--success-green) !important;
}

.text-info {
    color: var(--info-blue) !important;
}

.bg-primary {
    background-color: var(--primary-blue) !important;
}

/* Social Links */
.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    transition: var(--transition);
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

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

.animate-on-scroll {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding-top: 100px;
    }
    
    .phone-frame {
        width: 250px;
        height: 500px;
    }
    
    .feature-card,
    .testimonial-card,
    .contact-form-card {
        margin-bottom: 1.5rem;
    }
    
    .step-card {
        margin-bottom: 2rem;
    }
    
    .contact-item {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 576px) {
    .phone-frame {
        width: 220px;
        height: 440px;
        padding: 15px;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1rem;
    }
    
    .feature-card,
    .contact-form-card {
        padding: 1.5rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
    
    .step-card {
        padding: 1.5rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .btn,
    .contact-form-card {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero-section {
        background: none !important;
    }
}