/* ==========================================
   MAIN.CSS - Styles principaux du portfolio
   ========================================== */

:root {
    --primary-color: #6366f1;
    --secondary-color: #1f2937;
    --accent-color: #ec4899;
    --light-bg: #f9fafb;
    --dark-bg: #111827;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

/* ==========================================
   RESET & ÉLÉMENTS DE BASE
   ========================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    color: var(--text-dark);
    background-color: #ffffff;
    line-height: 1.6;
    font-size: 1rem;
}

/* ==========================================
   CONTENEURS & LAYOUT
   ========================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    color: var(--text-dark);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 1rem auto 0;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 3rem;
}

/* ==========================================
   SKILLS - amélioration UI/UX
   ========================================== */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    align-items: start;
}

.skill-category {
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 1.25rem 1.25rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.skill-category:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.skill-category h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0;
    margin: 0;
}

.skill-list li {
    list-style: none;
    margin: 0;
}

/* override du marqueur global pour les listes de compétences */
.skill-list li::before { content: none !important; }

.skill-tag {
    display: inline-block;
    background: linear-gradient(90deg, rgba(99,102,241,0.08), rgba(236,72,153,0.06));
    color: var(--primary-color);
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid rgba(99,102,241,0.08);
    box-shadow: none;
}

/* petites améliorations responsive */
@media (max-width: 768px) {
    .skills-grid {
        gap: 1rem;
    }
    .skill-category {
        padding: 1rem;
    }
}


/* ==========================================
   BOUTONS
   ========================================== */

.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* ==========================================
   TYPOGRAPHIE
   ========================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.25rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
    line-height: 1.8;
}

p.lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-dark);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-color);
}

/* ==========================================
   LIENS & INTERACTIONS
   ========================================== */

ul {
    list-style: none;
    padding-left: 0; /* remove default indent */
}

ul li {
    margin-bottom: 0.5rem;
}

/* styled pseudo-bullet that stays vertically centered and aligned */
ul li::before {
    content: '▸';
    color: var(--primary-color);
    font-weight: 700;
    display: inline-block;
    width: 1.1rem;
    text-align: center;
    margin-right: 0.5rem;
    vertical-align: middle;
}

/* Ensure skill lists don't show the global pseudo-bullet (override) */
.skill-category ul li::before {
    content: none !important;
}

/* ==========================================
   CODES & TEXTE PRÉFORMATÉ
   ========================================== */

code {
    background: var(--light-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
}

/* ==========================================
   UTILITÉS
   ========================================== */

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

.text-right {
    text-align: right;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.grid {
    display: grid;
}

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

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

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

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

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

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

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

@media (max-width: 768px) {
    .section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 2rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .container {
        padding: 0 1rem;
    }

    .btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 2rem 0;
    }

    .section-title {
        font-size: 1.5rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.3rem;
    }

    p {
        font-size: 0.95rem;
    }

    .container {
        padding: 0 0.5rem;
    }
}

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

.footer {
    background: var(--secondary-color);
    color: #e5e7eb;
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
}

.footer p {
    color: #e5e7eb;
    margin: 0;
}