/* SAMO-DL Website Styles */
/* Consolidated CSS with improved maintainability and accessibility */

:root {
    /* Consolidated gradient definitions */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-secondary: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #3730a3 100%);
    --gradient-dark: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    --gradient-accent: linear-gradient(135deg, #7c3aed 0%, #9333ea 50%, #c084fc 100%);
    --gradient-success: linear-gradient(135deg, #10b981, #34d399);

    /* Color palette */
    --color-primary: #8b5cf6;
    --color-secondary: #a855f7;
    --color-accent: #c084fc;
    --color-dark: #0f0f23;
    --color-darker: #0a0a1a;
    --color-light-accent: #e9d5ff;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;

    /* Glass morphism */
    --glass-bg: rgba(139, 92, 246, 0.1);
    --glass-border: rgba(139, 92, 246, 0.2);

    /* Performance and animation settings */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --shadow-glow: 0 10px 40px rgba(139, 92, 246, 0.3);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Accessibility improvements */
    --focus-ring: 0 0 0 3px rgba(139, 92, 246, 0.5);
    --focus-ring-success: 0 0 0 3px rgba(16, 185, 129, 0.5);
}

/* Base styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--gradient-dark);
    background-attachment: fixed;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* Transitions for interactive elements */
.card, .btn, .nav-link, .badge, .form-control, .feature-card, .hero-card {
    transition: var(--transition-smooth);
}

/* Navigation */
.navbar {
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.navbar-brand, .navbar .nav-link {
    color: var(--color-text);
}

.navbar .nav-link:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Hero section */
.hero-section {
    background: var(--gradient-dark);
    color: white;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(192, 132, 252, 0.2) 0%, transparent 50%);
    animation: float 6s ease-in-out infinite;
}

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

/* Feature cards */
.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow-glass);
    transition: var(--transition-bounce);
    height: 100%;
    color: var(--color-text);
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-glow);
    border-color: var(--color-primary);
}

.feature-card.border-success {
    border-color: rgba(16, 185, 129, 0.5);
}

.feature-card.border-success:hover {
    border-color: #10b981;
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.3);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-glass);
}

/* Stats cards */
.stats-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    color: var(--color-text);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-glass);
}

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

.stats-card h3 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Demo section */
.demo-section {
    background: rgba(0, 0, 0, 0.2);
    padding: 100px 0;
}

/* Integration cards */
.integration-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-glass);
    margin-bottom: 30px;
    color: var(--color-text);
    transition: var(--transition-smooth);
}

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

/* Code blocks */
.code-block {
    background: var(--color-darker);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 25px;
    font-family: 'Fira Code', monospace;
    font-size: 14px;
    overflow-x: auto;
    color: var(--color-text);
}

/* Footer */
.footer {
    background: var(--gradient-dark);
    color: var(--color-text);
    padding: 80px 0 40px;
    border-top: 1px solid var(--glass-border);
}

/* Button styles */
.btn-primary {
    background: var(--gradient-primary);
    border: none;
    border-radius: 12px;
    padding: 12px 30px;
    font-weight: 600;
    transition: var(--transition-bounce);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 15px 50px rgba(139, 92, 246, 0.4);
}

.btn-primary:focus {
    outline: var(--focus-ring);
    outline-offset: 2px;
}

.btn-outline-light {
    border: 2px solid rgba(226, 232, 240, 0.5);
    color: var(--color-text);
    border-radius: 12px;
    padding: 10px 28px;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.btn-outline-light:hover {
    background: rgba(226, 232, 240, 0.1);
    border-color: var(--color-text);
    color: var(--color-text);
    transform: translateY(-2px);
}

.btn-outline-light:focus {
    outline: var(--focus-ring);
    outline-offset: 2px;
}

.btn-light {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 12px;
    padding: 12px 30px;
    font-weight: 600;
    transition: var(--transition-bounce);
}

.btn-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
    transform: translateY(-2px) scale(1.05);
}

.btn-light:focus {
    outline: var(--focus-ring);
    outline-offset: 2px;
}

/* Form controls */
.form-control {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--color-text);
    padding: 12px 16px;
}

.form-control:focus {
    background: var(--glass-bg);
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
    color: var(--color-text);
    outline: var(--focus-ring);
}

.form-control::placeholder {
    color: var(--color-text-muted);
}

/* Cards and badges */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow-glass);
    color: var(--color-text);
}

.badge {
    background: var(--gradient-primary);
    color: white;
    border-radius: 20px;
    padding: 8px 12px;
    font-weight: 600;
}

.badge.bg-success {
    background: var(--gradient-success);
}

/* Progress bars */
.progress {
    background: rgba(139, 92, 246, 0.2);
    border-radius: 10px;
    height: 8px;
}

.progress-bar {
    background: var(--gradient-primary);
    border-radius: 10px;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(-10px) rotate(-1deg); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Alert messages */
.alert {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    color: var(--color-text);
}

/* Section backgrounds */
.bg-light {
    background: rgba(0, 0, 0, 0.2);
}

.bg-primary {
    background: var(--gradient-primary);
}

/* Links */
a {
    color: var(--color-accent);
    text-decoration: none;
}

a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

a:focus {
    outline: var(--focus-ring);
    outline-offset: 2px;
}

/* Accessibility improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-text: #ffffff;
        --color-text-muted: #cccccc;
        --glass-border: rgba(255, 255, 255, 0.3);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Responsive design */
@media (max-width: 768px) {
    .hero-section {
        padding: 80px 0;
    }

    .integration-card {
        padding: 25px;
        margin-bottom: 20px;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
        margin-bottom: 20px;
    }
}