/* ==========================================================================
   Base Design System & Custom Properties
   ========================================================================== */
:root {
    --bg-dark: #070a13;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(31, 41, 55, 0.85);
    
    --primary: #3b82f6;      /* Electric Blue */
    --primary-glow: rgba(59, 130, 246, 0.35);
    --cyan: #06b6d4;         /* Web3 Accent */
    --cyan-glow: rgba(6, 182, 212, 0.35);
    --violet: #8b5cf6;       /* AI/ML Accent */
    --violet-glow: rgba(139, 92, 246, 0.35);
    --gold: #f59e0b;         /* Startup/Incubation */
    --gold-glow: rgba(245, 158, 11, 0.35);
    --emerald: #10b981;      /* Regional/Success */
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.18);
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

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

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: #1f2937;
    border-radius: 5px;
    border: 2px solid var(--bg-dark);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

/* Glowing Background Blobs */
.glow-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    z-index: 1;
    pointer-events: none;
    animation: pulseGlow 10s ease-in-out infinite alternate;
}

.glow-blob-1 {
    top: 10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: var(--violet);
}

.glow-blob-2 {
    top: 45%;
    left: -15%;
    width: 600px;
    height: 600px;
    background: var(--cyan);
    animation-delay: -2s;
}

.glow-blob-3 {
    bottom: 10%;
    right: 5%;
    width: 450px;
    height: 450px;
    background: var(--gold);
    animation-delay: -4s;
}

/* Glassmorphism Panel base */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: var(--transition);
}

.glass-panel:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(7, 10, 19, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.85rem 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 40%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.25rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    padding: 0.25rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 6rem;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 10% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 3;
}

.hero-title {
    font-size: 3.75rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -1.5px;
}

.highlight {
    background: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 580px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
}

.btn {
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

/* 3D Profile Card & Orbiting Tags */
.profile-card {
    position: relative;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.profile-avatar {
    width: 210px;
    height: 210px;
    border-radius: 50%;
    padding: 5px;
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    box-shadow: 0 0 35px var(--violet-glow);
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.profile-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.profile-card p {
    font-size: 0.9rem;
    color: var(--cyan);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Floating Elements (Tech Labels) */
.floating-element {
    position: absolute;
    background: rgba(17, 24, 39, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 1.1rem;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(0,0,0,0.35);
    animation: float 4s ease-in-out infinite;
}

.floating-element i {
    font-size: 1rem;
}

.floating-element.blockchain {
    top: 15%;
    right: -15px;
    border-color: rgba(6, 182, 212, 0.3);
    color: var(--cyan);
    animation-delay: 0s;
}

.floating-element.ai {
    bottom: 20%;
    left: -35px;
    border-color: rgba(139, 92, 246, 0.3);
    color: var(--violet);
    animation-delay: 1.3s;
}

.floating-element.web3 {
    bottom: 15%;
    right: -30px;
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--gold);
    animation-delay: 2.6s;
}

/* ==========================================================================
   Section Styles & Layout
   ========================================================================== */
section {
    padding: 7.5rem 0;
    position: relative;
    z-index: 2;
}

.section-header {
    text-align: center;
    margin-bottom: 4.5rem;
}

.section-header h2 {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
    background: rgba(17, 24, 39, 0.3);
}

.about-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
    line-height: 1.8;
}

.credentials {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.credential {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem;
    border-radius: 12px;
}

.credential i {
    font-size: 1.75rem;
    color: var(--primary);
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: rgba(59, 130, 246, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.credential h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.credential p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ==========================================================================
   Expertise Section
   ========================================================================== */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.expertise-card {
    padding: 2.25rem;
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.75rem;
}

.expertise-card:nth-child(3n+1) .card-icon {
    background: rgba(6, 182, 212, 0.1);
    color: var(--cyan);
}

.expertise-card:nth-child(3n+2) .card-icon {
    background: rgba(139, 92, 246, 0.1);
    color: var(--violet);
}

.expertise-card:nth-child(3n) .card-icon {
    background: rgba(245, 158, 11, 0.1);
    color: var(--gold);
}

.expertise-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.expertise-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services {
    background: rgba(17, 24, 39, 0.3);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2.5rem;
}

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--emerald);
}

.service-card h3 {
    font-size: 1.45rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
    font-size: 0.95rem;
}

.service-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.service-card li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.service-card li::before {
    content: '✓';
    color: var(--emerald);
    font-weight: bold;
}

/* ==========================================================================
   Activities Timeline Section (Rebuilt & Modernized)
   ========================================================================== */
.timeline-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--violet), var(--cyan), var(--gold));
    transform: translateX(-50%);
    border-radius: 2px;
    opacity: 0.6;
}

.timeline-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 4rem;
    width: 100%;
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-item-card {
    width: 44%;
    padding: 2rem;
    position: relative;
}

.timeline-badge {
    position: absolute;
    left: 50%;
    top: 1.5rem;
    transform: translateX(-50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 4px solid var(--violet);
    box-shadow: 0 0 15px var(--violet-glow);
    z-index: 10;
    transition: var(--transition);
}

.timeline-item:nth-child(even) .timeline-badge {
    border-color: var(--cyan);
    box-shadow: 0 0 15px var(--cyan-glow);
}

.timeline-item:nth-child(3) .timeline-badge {
    border-color: var(--gold);
    box-shadow: 0 0 15px var(--gold-glow);
}

.timeline-item:nth-child(4) .timeline-badge {
    border-color: var(--emerald);
}

.timeline-item:hover .timeline-badge {
    transform: translateX(-50%) scale(1.3);
}

.timeline-date {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 30px;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.timeline-item-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.timeline-item-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Podcast Banner */
.podcast-banner {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2.25rem;
    align-items: center;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 20px;
    margin-top: 5rem;
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.15);
}

.podcast-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.25rem;
    color: var(--violet);
    box-shadow: 0 0 25px var(--violet-glow);
}

.podcast-content h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.podcast-content p {
    color: var(--text-secondary);
}

/* ==========================================================================
   Talks Teaser (Home Page Segment)
   ========================================================================== */
.talks-teaser {
    background: rgba(17, 24, 39, 0.3);
}

.talks-teaser-card {
    padding: 3.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
    border: 1px solid rgba(6, 182, 212, 0.25);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(17, 24, 39, 0.75) 100%);
    box-shadow: 0 15px 40px var(--cyan-glow);
}

.talks-teaser-text h3 {
    font-size: 1.85rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.talks-teaser-text p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 650px;
}

/* ==========================================================================
   Contact Section & Form Redesign
   ========================================================================== */
.contact-content {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 5rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.contact-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    box-shadow: 0 0 15px var(--primary-glow);
}

.contact-details h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.contact-details a {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--primary);
}

/* Floating Label Form Fields */
.contact-form {
    padding: 3rem;
}

.form-group-floating {
    position: relative;
    margin-bottom: 2rem;
}

.form-group-floating input,
.form-group-floating textarea {
    width: 100%;
    padding: 16px;
    background: rgba(7, 10, 19, 0.5);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
}

.form-group-floating input:focus,
.form-group-floating textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(7, 10, 19, 0.85);
    box-shadow: 0 0 15px var(--primary-glow);
}

.form-group-floating label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1rem;
    transition: var(--transition);
    pointer-events: none;
    background: transparent;
    padding: 0 4px;
}

.form-group-floating textarea ~ label {
    top: 28px;
}

/* Floating logic on focus / valid input */
.form-group-floating input:focus ~ label,
.form-group-floating input:not(:placeholder-shown) ~ label,
.form-group-floating textarea:focus ~ label,
.form-group-floating textarea:not(:placeholder-shown) ~ label {
    top: 0;
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
    background: #0d1222; /* Matches absolute background context */
}

.form-group-floating textarea {
    min-height: 140px;
    resize: vertical;
}

/* ==========================================================================
   Footer Elements
   ========================================================================== */
.footer {
    background: #04060c;
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
}

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

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

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

.footer-social a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.1rem;
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
    transform: translateY(-2px);
}

/* ==========================================================================
   Talks Page Specific Layout Styles
   ========================================================================== */
.talks-hero {
    padding: 10rem 0 5rem;
    background: linear-gradient(135deg, #091024 0%, #0d1e3d 100%);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.talks-hero-container h1 {
    font-size: 3.25rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 1rem;
}

.talks-hero-container p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto;
}

.talks-section {
    background-color: var(--bg-dark);
}

/* Catalog Filter Controls */
.controls-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.25rem;
    border-radius: 16px;
    margin-bottom: 3.5rem;
}

.search-box-wrapper {
    position: relative;
    margin-bottom: 1.75rem;
}

.search-icon-inside {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.25rem;
}

.talks-search-input {
    width: 100%;
    padding: 16px 16px 16px 56px;
    background: rgba(7, 10, 19, 0.6);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1.05rem;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
}

.talks-search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
    background: rgba(7, 10, 19, 0.8);
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    justify-content: center;
}

.filter-tab-btn {
    padding: 10px 22px;
    border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.03);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.filter-tab-btn:hover {
    background: rgba(255,255,255,0.08);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.filter-tab-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.talks-stats {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-weight: 600;
}

.talks-grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 2rem;
}

/* Individual Talk Card */
.talk-item-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
}

.talk-item-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    background: var(--bg-card-hover);
}

.talk-card-top {
    margin-bottom: 1.75rem;
}

.talk-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.talk-category-badge {
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-startup {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--gold);
}
.badge-ai {
    background-color: rgba(139, 92, 246, 0.1);
    color: var(--violet);
}
.badge-web3 {
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--cyan);
}
.badge-regional {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--emerald);
}
.badge-career {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary);
}

.talk-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.icon-startup {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--gold);
}
.icon-ai {
    background-color: rgba(139, 92, 246, 0.15);
    color: var(--violet);
}
.icon-web3 {
    background-color: rgba(6, 182, 212, 0.15);
    color: var(--cyan);
}
.icon-regional {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--emerald);
}
.icon-career {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--primary);
}

.talk-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 5.25rem;
}

.talk-card-path {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: monospace;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    word-break: break-all;
}

.talk-card-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.btn-view-talk {
    width: 100%;
    padding: 12px 16px;
    border-radius: 10px;
    background-color: rgba(255,255,255,0.03);
    color: var(--text-primary);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.9rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.btn-view-talk:hover {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 15px var(--primary-glow);
    transform: translateY(-2px);
}

.talks-no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 5rem 2rem;
    border: 1px dashed var(--border-color);
    border-radius: 16px;
}

.talks-no-results i {
    font-size: 3.5rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.talks-no-results h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.talks-no-results p {
    color: var(--text-secondary);
}

/* ==========================================================================
   Animations & Responsive Breakpoints
   ========================================================================== */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulseGlow {
    0% {
        transform: scale(1);
        opacity: 0.12;
    }
    100% {
        transform: scale(1.15);
        opacity: 0.18;
    }
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    .hero-content,
    .about-content,
    .contact-content {
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 79px;
        flex-direction: column;
        background-color: #0b0f19;
        width: 100%;
        height: calc(100vh - 79px);
        text-align: center;
        transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        padding: 3rem 0;
        gap: 2rem;
        border-top: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3.5rem;
        padding-bottom: 4rem;
    }
    
    .hero-description {
        margin: 0 auto 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .profile-card {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    
    .timeline-line {
        left: 24px;
    }
    
    .timeline-badge {
        left: 24px;
    }
    
    .timeline-item {
        flex-direction: column !important;
        padding-left: 56px;
        margin-bottom: 3rem;
    }
    
    .timeline-item-card {
        width: 100%;
        padding: 1.5rem;
    }
    
    .podcast-banner {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 2rem;
    }
    
    .podcast-icon {
        margin: 0 auto;
    }
    
    .talks-teaser-card {
        flex-direction: column;
        text-align: center;
        padding: 2.25rem;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.3rem;
    }
    .section-header h2 {
        font-size: 2.1rem;
    }
    .btn {
        width: 100%;
        justify-content: center;
    }
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    .profile-avatar {
        width: 170px;
        height: 170px;
    }
    .floating-element {
        font-size: 0.8rem;
        padding: 0.5rem 0.9rem;
    }
    .contact-form {
        padding: 2rem 1.5rem;
    }
}