/* Main CSS file for Alefna Pet Community */

/* Custom Variables */
:root {
    --primary-color: #2196F3;
    --secondary-color: #0068bc;
    --accent-color: #93c9fb;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --text-white: #ffffff;
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-glass: rgba(255, 255, 255, 0.25);
    --border-glass: rgba(255, 255, 255, 0.18);
    --shadow-light: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --gradient-primary: linear-gradient(135deg, #2196F3 0%, #0068bc 100%);
    --gradient-accent: linear-gradient(135deg, #93c9fb 0%, #2196F3 100%);
    --gradient-hero: linear-gradient(135deg, #2196F3 0%, #0068bc 50%, #93c9fb 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
    padding-top: 76px;
}

main {
    flex: 1;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* Modern Navbar */
.navbar {
    backdrop-filter: blur(20px);
    background: var(--bg-glass) !important;
    border-bottom: 1px solid var(--border-glass);
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1030;
}

.navbar-brand {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    font-weight: 500;
    color: var(--text-primary) !important;
    transition: all 0.3s ease;
    position: relative;
    margin: 0 0.5rem;
}

.nav-link:hover {
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background: var(--gradient-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
}

/* Glass Button Effects */
.btn {
    border-radius: 12px;
    padding: 12px 24px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px 0 rgba(102, 126, 234, 0.75);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(102, 126, 234, 0.4);
}

.btn-outline-primary {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
}

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

/* Hero Section */
.hero-section {
    background: var(--gradient-hero);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.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 1000 1000"><polygon fill="%23ffffff08" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-image {
    position: relative;
}

.floating-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-light);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Card Enhancements */
.card {
    border: none;
    border-radius: 20px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px 0 rgba(31, 38, 135, 0.2);
}

.card-body {
    position: relative;
    z-index: 2;
}

/* Icon styling */
.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

/* Section styling */
.section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 4rem;
}

/* Post Grid Styles */
.post-card {
    transition: all 0.3s ease;
    overflow: hidden;
}

.post-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px 0 rgba(31, 38, 135, 0.3);
}

.post-image-container {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.post-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.post-card:hover .post-image {
    transform: scale(1.1);
}

.post-placeholder {
    height: 100%;
    background: var(--gradient-primary);
    position: relative;
}

.post-placeholder::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 1000 1000"><polygon fill="%23ffffff08" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.post-avatar {
    width: 40px;
    height: 40px;
}

.post-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder {
    width: 40px;
    height: 40px;
    background: var(--gradient-accent);
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
}

/* Steps styling */
.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
}

/* Testimonial styling */
.testimonial-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 2rem;
    height: 100%;
    transition: all 0.3s ease;
}

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

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    margin-right: 1rem;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta-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 1000 1000"><polygon fill="%23ffffff08" points="0,0 1000,1000 0,1000"/></svg>');
    background-size: cover;
}

/* Footer styling */
footer {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-glass);
    margin-top: auto;
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Responsive design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .navbar-brand {
        font-size: 1.5rem;
    }
}