/* =========================================================================
   STYLE SYSTEM — PORTFOLIO TECHNICIEN IT (GLASSMORPHISM & DARK MODE)
   ========================================================================= */

:root {
    --bg-color: #0b0f19;
    --card-bg: rgba(17, 24, 39, 0.7);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    /* Category Accent Colors */
    --color-system: #3b82f6;      /* Blue */
    --color-network: #10b981;     /* Emerald */
    --color-storage: #f59e0b;     /* Amber */
    --color-pentest: #8b5cf6;     /* Purple */
    --color-support: #ec4899;     /* Pink */

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================================================
   BASE SETUP
   ========================================================================= */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Ambient glow background */
.glow-bg {
    position: fixed;
    top: -10%;
    left: 20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.05) 50%, rgba(0,0,0,0) 100%);
    z-index: -1;
    pointer-events: none;
    filter: blur(80px);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* =========================================================================
   HEADER & INTRO
   ========================================================================= */
.header {
    padding: 4rem 0 2rem 0;
    border-bottom: 1px solid var(--card-border);
    background: linear-gradient(to bottom, rgba(11, 15, 25, 0.9) 0%, rgba(11, 15, 25, 0) 100%);
}

.header-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

@media(min-width: 768px) {
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-end;
    }
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 9999px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
    margin-bottom: 0.75rem;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, #ffffff, #9ca3af);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-top: 0.25rem;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.icon {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* =========================================================================
   FILTERS SECTION
   ========================================================================= */
.filters-section {
    margin: 2.5rem 0 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media(min-width: 768px) {
    .filters-section {
        flex-direction: row;
        align-items: center;
        gap: 1.5rem;
    }
}

.filter-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tab-btn {
    background-color: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.tab-btn:hover {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
}

.tab-btn.active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-color: rgba(59, 130, 246, 0.4);
    color: #60a5fa;
}

/* =========================================================================
   ROLES GRID & CARDS
   ========================================================================= */
.roles-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 4rem;
}

@media(min-width: 992px) {
    .roles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.role-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.role-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--accent-color, var(--color-system));
    opacity: 0.8;
}

.role-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

/* Set dynamic category borders/accents */
.role-card[data-category="system"] { --accent-color: var(--color-system); }
.role-card[data-category="network"] { --accent-color: var(--color-network); }
.role-card[data-category="storage"] { --accent-color: var(--color-storage); }
.role-card[data-category="pentest"] { --accent-color: var(--color-pentest); }
.role-card[data-category="support"] { --accent-color: var(--color-support); }

.role-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.role-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.role-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.system-color { background-color: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.network-color { background-color: rgba(16, 185, 129, 0.15); color: #34d399; }
.storage-color { background-color: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.pentest-color { background-color: rgba(139, 92, 246, 0.15); color: #a78bfa; }
.support-color { background-color: rgba(236, 72, 153, 0.15); color: #f472b6; }

.role-tag {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 4px;
    margin-bottom: 0.25rem;
}

.role-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Card Body Content */
.role-body h3 {
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.skills-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    margin-bottom: 1.5rem;
}

.skills-list li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.25rem;
}

.skills-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.skills-list li strong {
    color: var(--text-primary);
}

.context-box {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    padding: 0.875rem 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.context-box strong {
    color: var(--accent-color);
}

/* =========================================================================
   ACCORDIONS (TROUBLESHOOTING CASE STUDIES)
   ========================================================================= */
.troubleshooting-accordion {
    margin-top: auto;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    background-color: rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.accordion-trigger {
    width: 100%;
    background-color: transparent;
    border: none;
    color: var(--text-primary);
    padding: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    text-align: left;
    transition: var(--transition-smooth);
}

.accordion-trigger:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.accordion-trigger .arrow {
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--text-secondary);
    border-bottom: 2px solid var(--text-secondary);
    transform: rotate(45deg);
    transition: var(--transition-smooth);
    margin-right: 0.25rem;
}

.troubleshooting-accordion.open .accordion-trigger .arrow {
    transform: rotate(-135deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-top: 1px solid transparent;
}

.troubleshooting-accordion.open .accordion-content {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1rem;
}

.incident-meta {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.incident-desc {
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.incident-solution {
    background-color: rgba(16, 185, 129, 0.05);
    border-left: 3px solid var(--color-network);
    padding: 0.75rem;
    border-radius: 0 6px 6px 0;
    color: #a7f3d0;
}

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer {
    border-top: 1px solid var(--card-border);
    padding: 2.5rem 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    background-color: rgba(11, 15, 25, 0.8);
}

/* Card dynamic hide/show classes */
.role-card.hide {
    display: none;
}