:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f97316;
    --error-color: #ef4444;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-tertiary: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f3f4f6;
    --bg-tertiary: #e5e7eb;
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--warning-color));
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    --text-white-75: rgba(255, 255, 255, 0.75);
}

/* Base Styles */
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-primary);
    line-height: 1.5;
    background-color: var(--bg-primary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

a{
     text-decoration: none;
}

.display-1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.display-2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--bg-tertiary);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    font-weight: 500;
    color: var(--text-primary) !important;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    transition: all 0.2s ease;
}

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

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* Hero Section */
.hero {
    position: relative;
    padding: 8rem 0;
    background: var(--gradient-primary);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 1;
    color: white;
}

.hero-image {
    position: relative;
    z-index: 1;
}

.hero-image img {
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.3s ease;
}

.hero-image:hover img {
    transform: perspective(1000px) rotateY(0deg);
}

/* Features Section */
.feature-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    border: 1px solid var(--bg-tertiary);
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

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

/* Testimonials */
.testimonial-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.2;
    font-family: serif;
}

/* Backgrounds */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    position: relative;
    overflow: hidden;
}

.bg-gradient-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.1;
}

.text-white-75 {
    color: var(--text-white-75) !important;
}

/* Video Section */
.ratio {
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 0;
}

.ratio:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.ratio iframe {
    border: none;
    background-color: var(--bg-tertiary);
}

/* Contact Form */
.contact-form {
    position: relative;
    z-index: 1;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.contact-form form {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.contact-form .row {
    flex: 1;
}

.form-control {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--bg-tertiary);
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

/* Footer */
footer {
    background: var(--bg-secondary);
    padding: 4rem 0;
}

.footer-brand {
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    text-decoration: none;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    margin-right: 0.5rem;
    transition: all 0.2s ease;
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.5s ease forwards;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 0.5rem 0;
    }
    
    .hero {
        padding: 6rem 0;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
    }
    
    .testimonial-card {
        margin-bottom: 1.5rem;
    }
    
    .ratio {
        margin: 0 -1rem;
        border-radius: 0 !important;
    }
    
    .contact-form {
        margin: 0 -1rem;
        border-radius: 0;
    }
}

@media (max-width: 991px) {
    .hero {
        padding: 6rem 0 3rem;
    }

    .hero-content {
        text-align: center;
        margin-bottom: 3rem;
    }

    .hero .btn {
        width: 100%;
        margin-bottom: 1rem;
    }

    .hero .d-flex {
        flex-direction: column;
    }

    .hero-image {
        padding: 0 1.5rem;
    }

    .hero-image img {
        transform: none;
        box-shadow: var(--shadow-lg);
        margin-bottom: 2rem;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 5rem 0 2rem;
    }

    .hero-image {
        padding: 0 1rem;
    }

    .display-1 {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }

    .hero .lead {
        font-size: 1rem;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}