/*
=====================================================================
    PORTFOLIO - SOULAYMAN
    Fichier: css/style.css
=====================================================================
    @auteur     : Soulayman
    @version    : 1.0.0
    @date       : Décembre 2025
    
    ce fichier contient tous les styles custom du portfolio
    j'utilise Bootstrap pr la base mais j'ai rajouté pas mal
    de styles perso pr avoir un look unique
    
    Structure:
    1. Variables CSS
    2. Reset & Base
    3. Background Effects
    4. Navigation
    5. Hero Section
    6. Sections communes
    7. About Cards
    8. Skills
    9. Projects
    10. Timeline
    11. Languages
    12. Contact
    13. Footer
    14. Animations
    15. Custom Cursor
    16. Responsive
=====================================================================
*/

/* ==========================================
   1. VARIABLES CSS
   ==========================================
   j'utilise des variables pr pouvoir changer
   les couleurs facilement si jamais je vx
   faire un theme clair plus tard
*/
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a24;
    --accent-cyan: #00d4ff;
    --accent-purple: #a855f7;
    --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #a855f7 100%);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(255, 255, 255, 0.08);
    --glow-cyan: 0 0 40px rgba(0, 212, 255, 0.3);
    --glow-purple: 0 0 40px rgba(168, 85, 247, 0.3);
}

/* ==========================================
   2. RESET & BASE
   ==========================================
*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
}

/* scrollbar custom */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent-cyan);
    border-radius: 4px;
}

/* ==========================================
   3. BACKGROUND EFFECTS
   ==========================================
   la grille en fond + les effets de lumière
*/
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: -1;
}

.bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.15;
    pointer-events: none;
    z-index: -1;
}

.bg-glow-1 {
    top: -200px;
    right: -200px;
    background: var(--accent-cyan);
    animation: float 8s ease-in-out infinite;
}

.bg-glow-2 {
    bottom: -200px;
    left: -200px;
    background: var(--accent-purple);
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 30px); }
}

/* ==========================================
   4. NAVIGATION
   ==========================================
*/
.navbar-custom {
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-custom.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar-brand {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
}

.navbar-brand .logo-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    -webkit-text-fill-color: var(--bg-primary);
    margin-right: 0.5rem;
}

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

.nav-link:hover {
    color: var(--text-primary) !important;
}

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

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

.btn-contact {
    background: var(--accent-gradient);
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    color: var(--bg-primary);
    transition: all 0.3s ease;
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-cyan);
    color: var(--bg-primary);
}

/* ==========================================
   5. HERO SECTION
   ==========================================
*/
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    animation: fadeInUp 1s ease;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero h1 .highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.8s both;
}

.btn-primary-custom,
.btn-secondary-custom {
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary-custom {
    background: var(--accent-gradient);
    border: none;
    color: var(--bg-primary);
}

.btn-primary-custom:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow-cyan);
    color: var(--bg-primary);
}

.btn-secondary-custom {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary-custom:hover {
    background: var(--bg-card);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 2rem;
    animation: fadeInUp 1s ease 1s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: 'Syne', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==========================================
   6. SECTIONS COMMUNES
   ==========================================
   j'ai réduit les paddings pcq y avait trop d'espace
*/
section {
    padding: 1rem 0;
}

.section-header {
    margin-bottom: 2.5rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
}

/* ==========================================
   7. ABOUT CARDS
   ==========================================
*/
.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    height: 100%;
    transition: all 0.3s ease;
}

.about-card:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-5px);
}

.about-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.about-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.about-card p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* ==========================================
   8. SKILLS
   ==========================================
*/
.skill-category {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.skill-category h4 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.skill-category h4 i {
    color: var(--accent-cyan);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

/* ==========================================
   9. PROJECTS
   ==========================================
*/
.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
    height: 100%;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.project-image {
    position: relative;
    height: 220px;
    background: var(--bg-secondary);
    overflow: hidden;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(10, 10, 15, 0.9), transparent);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-links {
    display: flex;
    gap: 0.75rem;
}

.project-link {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    text-decoration: none;
    transition: transform 0.3s ease;
}

.project-link:hover {
    transform: scale(1.1);
    color: var(--bg-primary);
}

.project-content {
    padding: 1.5rem;
}

.project-tag {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-cyan);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.project-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tech span {
    background: var(--bg-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================
   10. TIMELINE
   ==========================================
*/
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 2rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -2rem;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--accent-cyan);
    border-radius: 50%;
    transform: translateX(-5px);
    box-shadow: var(--glow-cyan);
}

.timeline-date {
    font-size: 0.875rem;
    color: var(--accent-cyan);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-title {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.timeline-company {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.timeline-description {
    color: var(--text-secondary);
}

/* ==========================================
   11. LANGUAGES
   ==========================================
*/
.language-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.language-card:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-5px);
}

.language-flag {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.language-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.language-level {
    font-size: 0.875rem;
    color: var(--accent-cyan);
}

/* ==========================================
   12. CONTACT
   ==========================================
*/
.contact-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.contact-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(10px);
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
}

.contact-item a {
    color: var(--text-primary);
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--accent-cyan);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.25rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--accent-gradient);
    border-color: transparent;
    color: var(--bg-primary);
    transform: translateY(-5px);
}

/* ==========================================
   13. FOOTER
   ==========================================
*/
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
}

footer p {
    color: var(--text-muted);
    margin-bottom: 0;
}

footer .heart {
    color: #ef4444;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* ==========================================
   14. ANIMATIONS
   ==========================================
*/
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================
   15. CUSTOM CURSOR
   ==========================================
*/
.cursor-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
}

.cursor-ring {
    width: 30px;
    height: 30px;
    border: 2px solid var(--accent-cyan);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    opacity: 0.5;
    transition: all 0.15s ease;
}

/* ==========================================
   16. RESPONSIVE
   ==========================================
*/
@media (max-width: 768px) {
    .hero-stats {
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn-primary-custom,
    .btn-secondary-custom {
        width: 100%;
        justify-content: center;
    }

    .contact-wrapper {
        padding: 1.5rem;
    }

    .cursor-dot,
    .cursor-ring {
        display: none;
    }
}