/* ============================================
   PORTFOLIO PATERNE BAZONGO - CUSTOM STYLES
   Version: 1.0
   Date: 13 Mai 2026
   ============================================ */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    --primary: #667eea;
    --secondary: #764ba2;
    --dark: #1a202c;
    --gray-800: #2d3748;
    --gray-900: #1a202c;
    --text-light: #e2e8f0;
    --text-gray: #a0aec0;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

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

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

/* ============================================
   ANIMATIONS PERSONNALISÉES
   ============================================ */
@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    25% {
        transform: translateY(-20px) translateX(10px);
    }
    50% {
        transform: translateY(-10px) translateX(-10px);
    }
    75% {
        transform: translateY(-15px) translateX(5px);
    }
}

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

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.4);
    }
    50% {
        box-shadow: 0 0 40px rgba(102, 126, 234, 0.8);
    }
}

/* ============================================
   SMOOTH SCROLLING
   ============================================ */
html {
    scroll-behavior: smooth;
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
#scroll-top {
    transition: opacity 0.3s, transform 0.3s;
}

#scroll-top.show {
    opacity: 1;
    pointer-events: all;
}

#scroll-top:hover {
    transform: translateY(-3px);
}

/* ============================================
   NAVBAR SCROLL EFFECT
   ============================================ */
.navbar-scrolled {
    background: rgba(26, 32, 44, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* ============================================
   CARDS HOVER EFFECTS
   ============================================ */
.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

/* ============================================
   FORMS
   ============================================ */
.form-input {
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-input.error {
    border-color: #f56565;
}

/* ============================================
   SKILLS PROGRESS BARS
   ============================================ */
.skill-bar {
    position: relative;
    background: rgba(102, 126, 234, 0.1);
    height: 8px;
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    transition: width 1s ease-in-out;
}

/* ============================================
   PARTICLES CONTAINER
   ============================================ */
.particles-container {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

/* ============================================
   LOADING ANIMATIONS
   ============================================ */
.skeleton {
    background: linear-gradient(90deg, #2d3748 25%, #4a5568 50%, #2d3748 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ============================================
   TESTIMONIALS CAROUSEL
   ============================================ */
.testimonial-slide {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.5s, transform 0.5s;
}

.testimonial-slide.active {
    opacity: 1;
    transform: scale(1);
}

/* ============================================
   BLOG CARD STYLES
   ============================================ */
.blog-card {
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.blog-image {
    transition: transform 0.5s ease;
}

.blog-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ============================================
   RESPONSIVE TYPOGRAPHY
   ============================================ */
@media (max-width: 640px) {
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.75rem;
    }
    h3 {
        font-size: 1.5rem;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .no-print {
        display: none !important;
    }
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    image-rendering: -webkit-optimize-contrast;
}

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

/* Focus visible pour navigation clavier */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ============================================
   DARK MODE SUPPORT (futur)
   ============================================ */
@media (prefers-color-scheme: dark) {
    /* Déjà en dark mode par défaut */
}

/* ============================================
   REDUCED MOTION SUPPORT
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}