/**
 * Tan Agah Custom Styles
 * Advanced gradients and elegant design elements
 */

:root {
    --primary-color: #8B9467;
    --secondary-color: #A4B494;
    --light-green: #C5D5B4;
    --dark-green: #6B7652;
    --text-dark: #2C3E2D;
    --text-light: #5A6C5B;
    --white: #FFFFFF;
    --light-bg: #F8FAF5;
    --gradient-primary: linear-gradient(135deg, #8B9467 0%, #6B7652 100%);
    --gradient-secondary: linear-gradient(135deg, #C5D5B4 0%, #A4B494 100%);
    --gradient-aurora: linear-gradient(45deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #f5576c 75%, #feca57 100%);
    --gradient-sunset: linear-gradient(135deg, #FA709A 0%, #FEE140 100%);
    --gradient-ocean: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-forest: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --shadow-soft: 0 5px 15px rgba(0,0,0,0.08);
    --shadow-medium: 0 10px 30px rgba(0,0,0,0.1);
    --shadow-large: 0 20px 60px rgba(0,0,0,0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode variables */
[data-theme="dark"] {
    --text-dark: #F0F4F1;
    --text-light: #D4E0D5;
    --light-bg: #1A1F1B;
    --white: #0F1410;
}

/* Reset Bootstrap's default navbar padding when fixed */
body {
    padding-top: 80px;
}

/* Advanced Gradient Backgrounds */
.gradient-mesh {
    background-color: #8B9467;
    background-image: 
        radial-gradient(at 47% 33%, hsl(85, 25%, 65%) 0, transparent 59%), 
        radial-gradient(at 82% 65%, hsl(80, 20%, 55%) 0, transparent 55%);
}

.gradient-aurora {
    background: var(--gradient-aurora);
    background-size: 300% 300%;
    animation: gradient-shift 15s ease infinite;
}

.gradient-subtle {
    background: linear-gradient(135deg, rgba(139, 148, 103, 0.1) 0%, rgba(107, 118, 82, 0.05) 100%);
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Custom Navbar Styles */
.tan-agah-navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    padding: 1rem 0;
}

.tan-agah-navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-medium);
    padding: 0.5rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color) !important;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: translateX(5px);
}

.navbar-brand img {
    height: 40px;
    width: auto;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-icon-btn {
    color: var(--text-dark);
    padding: 0.5rem;
    font-size: 1.2rem;
    transition: var(--transition);
}

.nav-icon-btn:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Custom Buttons */
.btn-primary {
    background: var(--gradient-primary);
    border: none;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
    background: var(--gradient-primary);
}

.btn-outline-primary {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    background: transparent;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
}

.btn-outline-primary:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

/* Hero Section Enhancements */
.hero-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 20%, #f093fb 40%, #C5D5B4 60%, #8B9467 80%, #6B7652 100%);
    background-size: 300% 300%;
    animation: gradient-shift 20s ease infinite;
    position: relative;
    overflow: hidden;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(2px);
}

/* Glass Morphism Cards */
.glass-card {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-large);
    background: rgba(255, 255, 255, 0.3);
}

/* Animated Gradient Text */
.gradient-text {
    background: var(--gradient-aurora);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 300% 300%;
    animation: gradient-shift 10s ease infinite;
}

/* Section Backgrounds */
.section-gradient-1 {
    background: linear-gradient(135deg, #F8FAF5 0%, #E8F0E3 100%);
    position: relative;
}

.section-gradient-2 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
}

.section-gradient-3 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    position: relative;
}

/* Blob Animations */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.7;
    animation: blob-animation 20s infinite;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: rgba(139, 148, 103, 0.3);
    top: -200px;
    left: -200px;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: rgba(197, 213, 180, 0.3);
    bottom: -150px;
    right: -150px;
    animation-delay: 5s;
}

@keyframes blob-animation {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -50px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 30px) scale(0.9);
    }
    75% {
        transform: translate(50px, 20px) scale(1.05);
    }
}

/* Card Hover Effects */
.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-large);
}

/* Gradient Overlays */
.gradient-overlay {
    position: relative;
    overflow: hidden;
}

.gradient-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(139, 148, 103, 0.9) 0%, rgba(107, 118, 82, 0.8) 100%);
    z-index: 1;
}

.gradient-overlay > * {
    position: relative;
    z-index: 2;
}

/* Animated Borders */
.animated-border {
    position: relative;
    background: white;
    border-radius: 15px;
    padding: 2rem;
}

.animated-border::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-aurora);
    border-radius: 15px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.animated-border:hover::before {
    opacity: 1;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-green);
}

/* Responsive Typography */
.display-1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
}

.display-2 {
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 600;
    line-height: 1.2;
}

.display-3 {
    font-size: clamp(1.75rem, 5vw, 3rem);
    font-weight: 600;
    line-height: 1.3;
}

/* Newsletter Section Enhancement */
.newsletter-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #8B9467 100%);
    background-size: 200% 200%;
    animation: gradient-shift 15s ease infinite;
}

/* Form Styling */
.form-control {
    border: 2px solid transparent;
    background: var(--light-bg);
    border-radius: 10px;
    padding: 0.75rem 1.25rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(139, 148, 103, 0.25);
    background: white;
}

/* Utility Classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-soft { box-shadow: var(--shadow-soft); }
.shadow-medium { box-shadow: var(--shadow-medium); }
.shadow-large { box-shadow: var(--shadow-large); }

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

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

/* Responsive Adjustments */
@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
    
    .tan-agah-navbar {
        padding: 0.75rem 0;
    }
    
    .nav-link {
        margin: 0.25rem 0;
    }
    
    .navbar-nav {
        padding: 1rem 0;
    }
}