/* ==========================================================================
   Adzkia Alma Ghania - Modern Cyber-Data Minimalist Portfolio Design System
   Color Palette: #EEEEEE | #E4DA72 | #9564DD | #3E0F8D
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:ital,wght@0,400;0,500;0,600;1,400&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

:root {
    /* Custom Requested Color Palette */
    --bg-dark: #12052c;
    --bg-surface: #1e0943;
    --bg-surface-elevated: #2b0d5c;
    --bg-surface-hover: #3E0F8D;
    
    --border-subtle: rgba(149, 100, 221, 0.25);
    --border-accent: rgba(228, 218, 114, 0.45);
    --border-hover: #E4DA72;
    
    --purple-vibrant: #9564DD;
    --purple-deep: #3E0F8D;
    --gold-accent: #E4DA72;
    --cyber-accent: #E4DA72;
    --gradient-accent: #E4DA72;
    
    --text-primary: #EEEEEE;
    --text-secondary: #d4c8eb;
    --text-muted: #9f8ebd;
    --text-accent: #E4DA72;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Setup */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    color-scheme: dark;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.font-heading {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
}

.code-font {
    font-family: 'JetBrains Mono', monospace;
}

/* Background Effects */
.circuit-bg {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(rgba(149, 100, 221, 0.15) 1px, transparent 1px),
        radial-gradient(rgba(228, 218, 114, 0.05) 1px, transparent 1px);
    background-size: 32px 32px, 16px 16px;
    background-position: 0 0, 8px 8px;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(to right, rgba(149, 100, 221, 0.05) 1px, transparent 1px),
                      linear-gradient(to bottom, rgba(149, 100, 221, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

/* Dots Particles Container */
#dots-container {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.dot {
    position: absolute;
    border-radius: 50%;
    background-color: var(--gold-accent);
    box-shadow: 0 0 10px rgba(228, 218, 114, 0.7);
    pointer-events: none;
}

/* Text Gradient & Accent Utilities (Solid Gold Yellow) */
.gradient-text {
    color: var(--gold-accent) !important;
    background: none !important;
    -webkit-background-clip: unset !important;
    background-clip: unset !important;
    display: inline-block;
}

.text-accent {
    color: var(--gold-accent) !important;
}

.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    background: rgba(149, 100, 221, 0.18);
    border: 1px solid var(--border-accent);
    color: var(--gold-accent);
    font-size: 0.75rem;
    font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.02em;
}

.badge-tag-secondary {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    transition: var(--transition-fast);
}

.badge-tag-secondary:hover {
    border-color: var(--border-accent);
    color: var(--gold-accent);
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(18, 5, 44, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    transition: var(--transition-normal);
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    text-decoration: none;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active-nav {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: 2px;
    transition: width var(--transition-normal);
}

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

/* Card System & Modern Glassmorphism */
.tech-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.tech-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: 0 14px 35px -10px rgba(18, 5, 44, 0.8), 0 0 20px -3px rgba(149, 100, 221, 0.35);
}

.tech-card:hover::before {
    opacity: 1;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    background: var(--gold-accent);
    color: #12052c;
    font-weight: 700;
    font-size: 0.9375rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(228, 218, 114, 0.4);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: #f3ea7f;
    box-shadow: 0 6px 22px rgba(228, 218, 114, 0.6);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9375rem;
    text-decoration: none;
    border: 1px solid var(--border-subtle);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

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

/* Project Filter Tabs */
.filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-accent);
}

.filter-btn.active {
    background: rgba(149, 100, 221, 0.25);
    border-color: var(--gold-accent);
    color: var(--gold-accent);
    font-weight: 600;
}

/* Case Study Modal / Drawer */
.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(10, 3, 24, 0.88);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.9);
    position: relative;
    transform: translateY(20px) scale(0.97);
    transition: transform 0.3s ease;
}

.modal-backdrop.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

/* Flow Chart / Architecture Diagram Box */
.architecture-box {
    background: #150630;
    border: 1px solid rgba(149, 100, 221, 0.35);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--gold-accent);
    line-height: 1.7;
    overflow-x: auto;
}

/* Timeline Experience Component */
.timeline-item {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid var(--border-subtle);
    padding-bottom: 2.5rem;
}

.timeline-item:last-child {
    border-left-color: transparent;
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -0.5625rem;
    top: 0.25rem;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 2px solid var(--gold-accent);
    box-shadow: 0 0 10px rgba(228, 218, 114, 0.7);
}

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

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

::-webkit-scrollbar-thumb {
    background: #2b0d5c;
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-dark);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--purple-vibrant);
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Back to Top Floating Button */
#back-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 40;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    background: rgba(30, 9, 67, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-accent);
    color: var(--gold-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#back-to-top:hover {
    background: var(--gradient-accent);
    color: #12052c;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 6px 22px rgba(228, 218, 114, 0.6);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 120;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-accent);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    animation: toastSlideIn 0.3s ease forwards;
}

@keyframes toastSlideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .modal-content {
        padding: 1.5rem;
    }
    .timeline-item {
        padding-left: 1.5rem;
    }
}

/* ==========================================================================
   8. Multi-Page & Editorial Zig-Zag Layout Extensions
   ========================================================================== */
.project-editorial-row {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    align-items: center;
    padding: 3.5rem 0;
    border-bottom: 1px solid var(--border-subtle);
}

.project-editorial-row:last-child {
    border-bottom: none;
}

@media (min-width: 1024px) {
    .project-editorial-row {
        flex-direction: row;
        gap: 4rem;
    }
    
    .project-editorial-row.reverse {
        flex-direction: row-reverse;
    }
    
    .project-media-col, .project-content-col {
        width: 50%;
    }
}

.project-media-col {
    width: 100%;
}

.project-content-col {
    width: 100%;
}

.project-media {
    position: relative;
    border-radius: var(--radius-xl);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    aspect-ratio: 16 / 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
}

.project-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.project-media:hover {
    border-color: var(--border-accent);
    box-shadow: 0 16px 40px -10px rgba(18, 5, 44, 0.9), 0 0 25px -3px rgba(149, 100, 221, 0.4);
    transform: translateY(-4px);
}

.project-media:hover img {
    transform: scale(1.03);
}

.project-placeholder-visual {
    width: 100%;
    height: 100%;
    min-height: 260px;
    background: radial-gradient(circle at 30% 30%, rgba(149, 100, 221, 0.25), transparent 70%),
                linear-gradient(135deg, #1e0943 0%, #12052c 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    border: 1px dashed var(--border-accent);
    border-radius: var(--radius-xl);
}

/* Statement Box & Editorial Typography */
.statement-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-xl);
    padding: 3rem 2rem;
    position: relative;
    overflow: hidden;
}

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

.editorial-headline {
    font-size: 2.25rem;
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .editorial-headline {
        font-size: 3rem;
    }
}