/* ==========================================================================
   PORTFOLIO STYLESHEET (Vanilla CSS)
   Theme: Dark & Modern Tech
   ========================================================================== */

/* --- Custom Properties / CSS Variables --- */
:root {
    /* Color Palette */
    --bg-primary: #07070a;
    --bg-secondary: #0c0c14;
    --card-bg: rgba(18, 18, 29, 0.45);
    --card-border: rgba(255, 255, 255, 0.06);
    --card-border-hover: rgba(0, 243, 255, 0.25);
    
    --accent-cyan: #00f3ff;
    --accent-purple: #bc13fe;
    --accent-gradient: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Layout & Animation */
    --container-max: 1200px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Base & Reset Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Offset for header */
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* --- Glow Background Blobs --- */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.12;
    z-index: -1;
    pointer-events: none;
    animation: pulse 12s infinite alternate ease-in-out;
}

.blob-1 {
    top: 5%;
    left: 10%;
    width: 450px;
    height: 450px;
    background: var(--accent-cyan);
}

.blob-2 {
    top: 40%;
    right: 5%;
    width: 500px;
    height: 500px;
    background: var(--accent-purple);
    animation-delay: -4s;
}

.blob-3 {
    bottom: 10%;
    left: 15%;
    width: 400px;
    height: 400px;
    background: var(--accent-cyan);
    animation-delay: -8s;
}

@keyframes pulse {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -40px) scale(1.15); }
}

/* --- Global Utilities & Containers --- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

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

.badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 100px;
    background: rgba(0, 243, 255, 0.08);
    border: 1px solid rgba(0, 243, 255, 0.15);
    color: var(--accent-cyan);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 24px;
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px auto;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary {
    background: var(--accent-gradient);
    color: #000;
    border: none;
    box-shadow: 0 4px 20px rgba(0, 243, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 243, 255, 0.35);
}

.btn-primary .arrow-icon {
    transition: transform var(--transition-fast);
}

.btn-primary:hover .arrow-icon {
    transform: translateX(4px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* --- Main Header / Navigation --- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 20px 0;
    transition: var(--transition-smooth);
    background: transparent;
}

.main-header.scrolled {
    padding: 14px 0;
    background: rgba(7, 7, 10, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-bracket {
    color: var(--accent-cyan);
    font-weight: 500;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
    padding: 4px 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

/* --- Mobile Navigation Overlay --- */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(7, 7, 10, 0.98);
    backdrop-filter: blur(15px);
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

.mobile-nav-overlay.open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 36px;
}

.mobile-nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    transition: var(--transition-fast);
}

.mobile-nav-link:hover {
    color: var(--accent-cyan);
    transform: scale(1.05);
}

/* --- Hero Section --- */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
    padding-bottom: 60px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.hero-text-content {
    max-width: 620px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4.8vw, 4.2rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 12px;
    white-space: nowrap;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-socials {
    display: flex;
    gap: 20px;
}

.social-link {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.social-link:hover {
    color: var(--accent-cyan);
    transform: translateY(-2px);
}

/* --- Hero Visual Layout (Image + Code Card Stacking) --- */
.hero-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 20px;
}

.profile-image-card {
    position: relative;
    width: 210px;
    height: 210px;
    border-radius: 20px;
    padding: 5px;
    background: var(--accent-gradient);
    box-shadow: 0 10px 30px rgba(0, 243, 255, 0.15);
    align-self: center;
    margin-right: 60px;
    transform: rotate(-3deg);
    transition: var(--transition-smooth);
    z-index: 1;
}

.profile-image-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    background: var(--accent-gradient);
    filter: blur(15px);
    opacity: 0.4;
    z-index: -1;
}

.profile-image-card:hover {
    transform: rotate(0deg) scale(1.05);
    box-shadow: 0 15px 35px rgba(0, 243, 255, 0.3);
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    border: 2px solid var(--bg-primary);
}

.visual-card {
    background: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 24px;
    width: 100%;
    max-width: 460px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    margin-top: -40px; /* Stacking/overlapping effect */
    z-index: 2;
    transition: var(--transition-smooth);
}

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

.card-dots {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.card-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.card-dots .red { background-color: #ef4444; }
.card-dots .yellow { background-color: #f59e0b; }
.card-dots .green { background-color: #10b981; }

.code-editor {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: #e5e7eb;
    overflow-x: auto;
}

/* Code highlight colors */
.token-keyword { color: #f43f5e; }
.token-class { color: #10b981; }
.token-method { color: #3b82f6; }
.token-self { color: #f59e0b; }
.token-string { color: #eab308; }

/* Scroll down element */
.scroll-down-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.scroll-down-indicator:hover {
    color: var(--accent-cyan);
}

.bounce {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-8px); }
    60% { transform: translateY(-4px); }
}

/* --- Projects Section --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    height: 100%;
    backdrop-filter: blur(8px);
    transition: var(--transition-smooth);
}

.project-card:hover {
    border-color: var(--card-border-hover);
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 243, 255, 0.05);
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.project-icon-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 12px;
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-links {
    display: flex;
    gap: 16px;
}

.project-links a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.project-links a:hover {
    color: var(--accent-cyan);
}

.project-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 4px 10px;
    border-radius: 6px;
}

/* --- Experience & Certifications Section --- */
.experience-grid-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
}

/* Timeline Components */
.timeline {
    position: relative;
    padding-left: 28px;
}

.timeline::after {
    content: '';
    position: absolute;
    top: 8px;
    bottom: 0;
    left: 7px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-cyan) 0%, var(--bg-secondary) 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

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

.timeline-dot {
    position: absolute;
    left: -28px;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--accent-cyan);
    z-index: 1;
    box-shadow: 0 0 10px var(--accent-cyan);
}

.timeline-content {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 24px;
    backdrop-filter: blur(8px);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    font-weight: 500;
    display: block;
    margin-bottom: 8px;
}

.timeline-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-company {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.timeline-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Certifications Panel */
.certifications-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.cert-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    backdrop-filter: blur(8px);
}

.cert-icon {
    color: var(--accent-purple);
    display: flex;
    align-items: center;
}

.cert-title {
    font-size: 1.05rem;
    font-weight: 600;
}

.cert-org {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Skills Competencies */
.skills-block {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 24px;
}

.skills-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.skills-flex {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-pill {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-primary);
    background: rgba(0, 243, 255, 0.04);
    border: 1px solid rgba(0, 243, 255, 0.1);
    padding: 6px 14px;
    border-radius: 8px;
    transition: var(--transition-fast);
}

.skill-pill:hover {
    background: rgba(0, 243, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: scale(1.05);
}

/* --- Contact Section --- */
.contact-container {
    max-width: 850px;
    margin: 0 auto;
    text-align: center;
}

.contact-info-block .section-header {
    text-align: center;
    margin: 0 auto 40px auto;
}

.contact-methods {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

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

/* Contact Form Card */
.contact-form-card {
    background: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.styled-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input, .form-group textarea {
    background: var(--bg-primary);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 12px rgba(0, 243, 255, 0.15);
}

/* --- Footer --- */
.main-footer {
    border-top: 1px solid var(--card-border);
    padding: 40px 0;
    background: var(--bg-primary);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-design {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-left: 4px solid var(--accent-cyan);
    padding: 16px 24px;
    border-radius: 8px;
    color: var(--text-primary);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: toast-in 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast.success {
    border-left-color: #10b981;
}

.toast.error {
    border-left-color: #ef4444;
}

@keyframes toast-in {
    from {
        transform: translateY(20px) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* --- Scroll-Reveal Effects --- */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* CSS-only animation utility classes for initial load */
.fade-in {
    animation: fadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

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

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

/* --- Responsive Media Queries --- */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-text-content {
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-visual {
        justify-content: center;
        align-items: center;
    }

    .profile-image-card {
        margin-right: 0;
        margin-bottom: 10px;
    }
    
    .experience-grid-layout {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .contact-info-block .section-header {
        text-align: center;
    }
    
    .contact-methods {
        align-items: center;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 70px 0;
    }
    
    .desktop-nav {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}

/* ==========================================================================
   GALLERY & MILESTONES STYLES
   ========================================================================== */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.gallery-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.gallery-item:hover {
    border-color: var(--card-border-hover);
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 243, 255, 0.08);
}

.gallery-thumbnail {
    width: 100%;
    height: 180px;
    background: #09090f;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.gallery-thumbnail-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-thumbnail-img {
    transform: scale(1.08);
}

.gallery-media-placeholder {
    position: absolute; /* Ensures overlay on top of video element */
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.03);
    transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-media-placeholder {
    transform: scale(1.12);
    background: rgba(0, 243, 255, 0.06);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 25px rgba(0, 243, 255, 0.18);
    color: #fff;
    z-index: 3; /* stays prominent */
}

.gallery-icon {
    width: 30px;
    height: 30px;
}

.gallery-media-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(7, 7, 10, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(4px);
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--accent-cyan);
    font-weight: 500;
    z-index: 4; /* Keeps tag on top of everything */
}

.gallery-item[data-media-type="video"] .gallery-media-tag {
    color: var(--accent-purple);
    border-color: rgba(188, 19, 254, 0.15);
}

/* --- Inline Video Thumbnail styles --- */
.gallery-thumbnail-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1; /* Sits below the tags and overlays */
    transition: var(--transition-smooth);
    background-color: #09090f;
}

.gallery-item:hover .gallery-thumbnail-video {
    transform: scale(1.08);
}

.gallery-caption {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.gallery-item-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.gallery-item-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- Lightbox Modal --- */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 4, 6, 0.96);
    backdrop-filter: blur(20px);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
    padding: 40px 24px;
}

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

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 32px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2.8rem;
    cursor: pointer;
    transition: var(--transition-fast);
    line-height: 1;
    padding: 4px;
}

.lightbox-close:hover {
    color: var(--accent-cyan);
    transform: rotate(90deg);
}

.lightbox-content {
    max-width: 820px;
    max-height: 65vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.lightbox-content img, .lightbox-content video {
    max-width: 100%;
    max-height: 65vh;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65), 0 0 40px rgba(0, 243, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.lightbox-caption-text {
    max-width: 650px;
    text-align: center;
    color: var(--text-secondary);
}

.lightbox-caption-text h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.lightbox-caption-text p {
    font-size: 0.95rem;
}

/* --- Interactive Project Cards & CTA --- */
.project-card-interactive {
    cursor: pointer;
}

.project-flow-cta {
    margin-top: auto; /* Push to bottom of content area */
    padding-top: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    transition: color var(--transition-fast);
}

.cta-icon {
    transition: transform var(--transition-fast);
}

.project-card-interactive:hover .project-flow-cta {
    color: var(--accent-cyan);
}

.project-card-interactive:hover .cta-icon {
    transform: translateX(4px);
}

/* --- Architectural Flow Modal --- */
.flow-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 4, 6, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1010; /* Ensures it sits above header & normal lightbox */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
    padding: 24px;
}

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

.flow-modal-container {
    background: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    width: 100%;
    max-width: 1050px;
    padding: 32px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8), 0 0 50px rgba(0, 243, 255, 0.03);
    position: relative;
    transform: translateY(20px) scale(0.95);
    transition: transform var(--transition-smooth);
}

.flow-modal.active .flow-modal-container {
    transform: translateY(0) scale(1);
}

.flow-modal-close {
    position: absolute;
    top: 24px;
    right: 28px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2.2rem;
    cursor: pointer;
    transition: var(--transition-fast);
    line-height: 1;
    padding: 4px;
}

.flow-modal-close:hover {
    color: var(--accent-cyan);
    transform: rotate(90deg);
}

.flow-modal-header {
    margin-bottom: 24px;
    padding-right: 48px; /* space for close button */
}

.flow-modal-tag {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: block;
    margin-bottom: 6px;
}

.flow-modal-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.flow-modal-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.flow-modal-body {
    background: rgba(4, 4, 6, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    overflow-x: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 350px;
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.5);
}

.flow-modal-body svg {
    width: 100%;
    height: auto;
    max-height: 380px;
    min-width: 750px; /* enables horizontal scroll on mobile for legibility */
}

.flow-modal-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 16px;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
}

/* --- SVG Flow Diagrams styling & animations --- */
@keyframes flow-dash-pulse {
    to {
        stroke-dashoffset: -20;
    }
}

.flow-line {
    stroke-dasharray: 6 4;
    animation: flow-dash-pulse 1.2s linear infinite;
}

/* Hover effects for SVG blocks */
.flow-node {
    transition: filter var(--transition-fast), fill var(--transition-fast), stroke var(--transition-fast);
}

.flow-node rect {
    transition: fill var(--transition-fast), stroke var(--transition-fast), stroke-width var(--transition-fast);
}

.flow-node:hover rect {
    fill: rgba(0, 243, 255, 0.06);
    stroke: var(--accent-cyan);
    stroke-width: 2px;
}

.flow-node-purple:hover rect {
    fill: rgba(188, 19, 254, 0.06);
    stroke: var(--accent-purple);
    stroke-width: 2px;
}

.flow-node:hover {
    filter: drop-shadow(0 0 10px rgba(0, 243, 255, 0.3));
}

.flow-node-purple:hover {
    filter: drop-shadow(0 0 10px rgba(188, 19, 254, 0.3));
}