/* ===== GLOBAL STYLES ===== */
:root {
    --primary-color: #1e3a8a;
    --primary-light: #3b82f6;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --light-gray: #f8fafc;
    --medium-gray: #e2e8f0;
    --dark-gray: #475569;
    --white: #ffffff;
    --black: #1e293b;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--black);
    background-color: var(--white);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 3rem;
}

/* ===== NAVIGATION ===== */
.navbar {
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar-brand {
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--dark-gray) !important;
    margin: 0 0.5rem;
    transition: var(--transition);
}

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

.navbar-nav .btn {
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    border-radius: var(--border-radius);
}

/* ===== HERO SECTION ===== */
.hero-section {
    padding-top: 100px;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

.hero-buttons .btn {
    padding: 0.75rem 2rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.hero-stats {
    margin-top: 3rem;
}

.stat-item h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin: 0;
}

.hero-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

/* ===== FEATURES SECTION ===== */
.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    height: 100%;
    transition: var(--transition);
    border: 1px solid var(--medium-gray);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

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

.feature-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--black);
}

.feature-card p {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    color: var(--dark-gray);
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* ===== BENEFITS SECTION ===== */
.benefits-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.benefit-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    height: 100%;
    transition: var(--transition);
}

.benefit-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.benefit-icon i {
    font-size: 2rem;
    color: var(--white);
}

.benefit-card h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* ===== PRICING SECTION ===== */
.pricing-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    height: 100%;
    transition: var(--transition);
    border: 2px solid var(--medium-gray);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-header h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.price {
    margin-bottom: 1rem;
}

.price .currency {
    font-size: 1rem;
    color: var(--secondary-color);
}

.price .amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price .period {
    font-size: 1rem;
    color: var(--secondary-color);
}

.pricing-subtitle {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.pricing-features {
    margin-bottom: 2rem;
}

.pricing-features ul {
    list-style: none;
    padding: 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--dark-gray);
    border-bottom: 1px solid var(--medium-gray);
}

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

.pricing-features i {
    color: var(--success-color);
    margin-right: 0.5rem;
}

.pricing-footer .btn {
    width: 100%;
    padding: 0.75rem;
    font-weight: 500;
    border-radius: var(--border-radius);
}

/* ===== DEMO SECTION ===== */
.demo-features {
    margin-bottom: 2rem;
}

.demo-feature {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

.demo-feature i {
    font-size: 1.5rem;
    margin-right: 1rem;
    width: 30px;
}

.demo-feature span {
    font-weight: 500;
    color: var(--dark-gray);
}

.demo-form {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.demo-form .form-control,
.demo-form .form-select {
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    padding: 0.75rem;
    transition: var(--transition);
}

.demo-form .form-control:focus,
.demo-form .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(30, 58, 138, 0.25);
}

.demo-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

/* ===== CONTACT SECTION ===== */
.contact-info {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: var(--border-radius);
    height: 100%;
}

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

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

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

.contact-details h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--black);
}

.contact-details p {
    color: var(--secondary-color);
    margin: 0;
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--primary-dark);
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    height: 100%;
}

.contact-form .form-control {
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    padding: 0.75rem;
    transition: var(--transition);
}

.contact-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(30, 58, 138, 0.25);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--black);
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-light);
    color: var(--white);
    transform: translateY(-2px);
}

/* ===== BUTTONS ===== */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-icon {
        margin: 0 auto 1rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .feature-card,
    .benefit-card,
    .pricing-card {
        padding: 1.5rem;
    }
    
    .demo-form,
    .contact-form,
    .contact-info {
        padding: 1.5rem;
    }
}

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

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

/* ===== SCROLL BEHAVIOR ===== */
html {
    scroll-behavior: smooth;
}

/* ===== LOADING STATES ===== */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ===== FOCUS STATES ===== */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(30, 58, 138, 0.25);
}

/* ===== PRINT STYLES ===== */
@media print {
    .navbar,
    .hero-buttons,
    .pricing-footer,
    .demo-form,
    .contact-form,
    .footer {
        display: none;
    }
    
    .hero-section {
        padding-top: 0;
        min-height: auto;
    }
    
    .pricing-card {
        break-inside: avoid;
    }
}