/* ============================================
   RESET & VARIABLES
   ============================================ */

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

:root {
    /* Palette de couleurs */
    --primary-blue: #4A9EFF;
    --secondary-blue: #6BB6FF;
    --accent-blue: #2E86FF;
    --dark-blue: #1E3A8A;
    --light-blue: #E0F2FE;
    
    /* Couleurs complémentaires */
    --orange: #FF6B35;
    --yellow: #FFD23F;
    --green: #06D6A0;
    --purple: #8B5CF6;
    --pink: #EC4899;
    
    /* Neutres */
    --white: #FFFFFF;
    --light-gray: #F8FAFC;
    --gray: #64748B;
    --dark-gray: #334155;
    --black: #0F172A;
    
    /* Typographie */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Bordures */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Ombres */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-colored: 0 8px 32px rgba(74, 158, 255, 0.3);
}

/* ============================================
   BASE STYLES
   ============================================ */

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 50%, #FFF7ED 100%);
    min-height: 100vh;
    color: var(--dark-gray);
    line-height: 1.6;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: var(--spacing-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   HEADER & PROFILE
   ============================================ */

.header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out;
}

.logo-container {
    margin-bottom: var(--spacing-md);
}

.logo-hacker {
    width: 250px;
    height: auto;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-blue), var(--purple));
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-colored);
    animation: float 3s ease-in-out infinite;
    object-fit: contain;
}

.profile-section {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.profile-section::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary-blue), var(--purple), var(--pink), var(--orange));
    border-radius: var(--radius-xl);
    z-index: -1;
    animation: gradientShift 4s ease-in-out infinite;
}

.profile-image-container {
    margin-bottom: var(--spacing-md);
}

.profile-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-blue);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}

.profile-image:hover {
    transform: scale(1.05);
}

.name {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(45deg, var(--primary-blue), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-sm);
}

.bio {
    font-size: 1rem;
    color: var(--gray);
    margin-bottom: var(--spacing-sm);
}

.location {
    font-size: 0.9rem;
    color: var(--gray);
    font-weight: 500;
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.main-content {
    flex: 1;
}

/* ============================================
   LINKS CONTAINER
   ============================================ */

.links-container {
    margin-bottom: var(--spacing-xl);
}

.link-card {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.link-card:hover::before {
    left: 100%;
}

.link-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.link-card.primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    box-shadow: var(--shadow-colored);
}

.link-card.primary:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 12px 40px rgba(74, 158, 255, 0.4);
}

.link-card.secondary {
    background: linear-gradient(135deg, var(--green), #00D9FF);
    color: var(--white);
}

.link-card.tertiary {
    background: linear-gradient(135deg, var(--pink), var(--purple));
    color: var(--white);
}

.link-icon {
    font-size: 2rem;
    margin-right: var(--spacing-md);
    animation: bounce 2s infinite;
}

.link-content {
    flex: 1;
}

.link-content h3 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.link-content p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.link-arrow {
    font-size: 1.5rem;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.link-card:hover .link-arrow {
    transform: translateX(4px);
}

/* ============================================
   NEWSLETTER SECTION
   ============================================ */

.newsletter-section {
    background: linear-gradient(135deg, var(--purple), var(--pink));
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-colored);
    text-align: center;
    color: var(--white);
}

.newsletter-section h2 {
    font-family: var(--font-primary);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.newsletter-section p {
    font-size: 0.95rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.btn-newsletter {
    display: inline-block;
    background: var(--white);
    color: var(--purple);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-family: var(--font-primary);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.btn-newsletter:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    opacity: 0.95;
}

/* ============================================
   BLOG SECTION
   ============================================ */

.blog-section {
    margin-bottom: var(--spacing-xl);
}

.blog-section h2 {
    font-family: var(--font-primary);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.blog-articles {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.blog-post {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-blue);
}

.blog-post:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--accent-blue);
}

.blog-post h3 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: var(--spacing-sm);
}

.blog-excerpt {
    font-size: 0.95rem;
    color: var(--gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.blog-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--gray);
}

.blog-date {
    font-weight: 500;
}

.blog-category {
    background: var(--light-blue);
    color: var(--accent-blue);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.read-more {
    display: inline-block;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: var(--accent-blue);
    transform: translateX(4px);
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact-section {
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.contact-section h2 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: var(--spacing-lg);
}

.contact-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.contact-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--primary-blue);
}

.contact-icon {
    font-size: 1.2rem;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--light-gray);
    color: var(--gray);
    font-size: 0.9rem;
}

.footer-tagline {
    margin-top: var(--spacing-sm);
    font-style: italic;
    color: var(--accent-blue);
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .container {
        max-width: 100%;
        padding: var(--spacing-sm);
    }

    .logo-hacker {
        width: 200px;
    }

    .name {
        font-size: 1.5rem;
    }

    .newsletter-section h2,
    .blog-section h2 {
        font-size: 1.2rem;
    }

    .blog-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .contact-links {
        flex-direction: column;
    }

    .contact-link {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

a:focus,
button:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    body {
        background: var(--white);
    }

    .logo-hacker,
    .profile-section::before {
        display: none;
    }
}