/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    --primary: #00d4ff;
    --primary-dark: #0099cc;
    --secondary: #7c3aed;
    --accent: #10b981;
    --accent-orange: #f59e0b;
    --bg-dark: #0a0e17;
    --bg-card: #111827;
    --bg-card-hover: #1f2937;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #1e293b;
    --gradient-1: linear-gradient(135deg, #00d4ff, #7c3aed);
    --gradient-2: linear-gradient(135deg, #10b981, #00d4ff);
    --gradient-3: linear-gradient(135deg, #7c3aed, #f59e0b);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --font-mono: 'Space Grotesk', sans-serif;
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --font-display: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--primary);
    color: var(--bg-dark);
}

/* ===========================
   Cursor Glow Effect
   =========================== */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
}

/* ===========================
   Particle Canvas
   =========================== */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    backdrop-filter: blur(0px);
}

.navbar.scrolled {
    background: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.nav-logo:hover {
    color: var(--primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.1rem;
    color: white;
}

.logo-name {
    font-family: var(--font-display);
    font-weight: 700;
}

.logo-accent {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition);
}

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

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    margin: 6px 0;
    transition: var(--transition);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 6rem 2rem 2rem;
}

.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.floating-icons {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-icon {
    position: absolute;
    font-size: 2rem;
    color: rgba(0, 212, 255, 0.08);
    left: var(--x);
    top: var(--y);
    animation: float 8s ease-in-out infinite;
    animation-delay: var(--delay);
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(5deg); }
    50% { transform: translateY(-40px) rotate(-5deg); }
    75% { transform: translateY(-20px) rotate(3deg); }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-text {
    position: relative;
}

/* Terminal Style — Modern Card */
.hero-greeting {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.greeting-wave {
    font-size: 1.4rem;
    display: inline-block;
    animation: wave 2.5s ease-in-out infinite;
    transform-origin: 70% 70%;
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    10% { transform: rotate(14deg); }
    20% { transform: rotate(-8deg); }
    30% { transform: rotate(14deg); }
    40% { transform: rotate(-4deg); }
    50% { transform: rotate(10deg); }
    60% { transform: rotate(0deg); }
}

.hero-name {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0.25rem 0 0.75rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero-titles {
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--text-secondary);
    min-height: 1.5em;
    margin-bottom: 1.5rem;
}

.role-text {
    color: var(--primary);
    font-weight: 600;
}

.cursor-blink {
    color: var(--primary);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-socials {
    display: flex;
    gap: 1rem;
}

.hero-socials a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: var(--transition);
}

.hero-socials a:hover {
    color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

/* Profile Image with Orbiting Icons */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-container {
    position: relative;
    width: 350px;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.3);
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.5);
}

.profile-ring {
    position: absolute;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 255, 0.2);
    animation: pulse-ring 3s ease-in-out infinite;
}

.profile-ring.ring-2 {
    width: 320px;
    height: 320px;
    border-color: rgba(124, 58, 237, 0.15);
    animation-delay: 1.5s;
}

@keyframes pulse-ring {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.5; }
}

.orbit-container {
    position: absolute;
    width: 320px;
    height: 320px;
    animation: orbit 10s linear infinite;
}

.orbit-item {
    position: absolute;
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary);
    animation: counter-orbit 10s linear infinite;
    animation-delay: var(--orbit-delay);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.orbit-item:nth-child(1) { top: 0; left: 50%; transform: translateX(-50%); }
.orbit-item:nth-child(2) { top: 50%; right: 0; transform: translateY(-50%); }
.orbit-item:nth-child(3) { bottom: 0; left: 50%; transform: translateX(-50%); }
.orbit-item:nth-child(4) { top: 50%; left: 0; transform: translateY(-50%); }

@keyframes orbit {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes counter-orbit {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    animation: bounce 2s ease-in-out infinite;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.mouse-wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

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

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

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

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ===========================
   Section Common Styles
   =========================== */
.section {
    padding: 6rem 2rem;
    position: relative;
    z-index: 1;
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 1rem;
    padding: 8px 18px;
    background: rgba(0, 212, 255, 0.06);
    border-radius: 24px;
    border: 1px solid rgba(0, 212, 255, 0.15);
    letter-spacing: 0.02em;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-line {
    width: 60px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
    margin: 0 auto;
}

/* ===========================
   About Section
   =========================== */
.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-intro {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: var(--transition);
}

.highlight-item:hover {
    border-color: var(--primary);
    transform: translateX(5px);
    box-shadow: var(--shadow-glow);
}

.highlight-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
}

.highlight-item h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.highlight-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Stats */
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.stat-number::after {
    content: '+';
    font-size: 1.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stat-icon {
    position: absolute;
    bottom: 10px;
    right: 10px;
    font-size: 2rem;
    color: rgba(0, 212, 255, 0.05);
}

/* ===========================
   Skills Section
   =========================== */
.skills {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(17, 24, 39, 0.5) 50%, var(--bg-dark) 100%);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.03), transparent);
    transition: left 0.6s;
}

.skill-category:hover::before {
    left: 100%;
}

.skill-category:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.skill-icon-wrapper {
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
}

.skill-category h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.skill-tag {
    font-size: 0.75rem;
    padding: 5px 12px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 20px;
    color: var(--text-secondary);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.skill-tag i,
.skill-tag img {
    font-size: 0.85rem;
    opacity: 0.85;
}

.skill-tag img {
    width: 14px;
    height: 14px;
}

.skill-tag:hover {
    background: rgba(0, 212, 255, 0.15);
    color: var(--primary);
    border-color: var(--primary);
}

/* Pipeline Animation */
.skill-pipeline {
    display: flex;
    align-items: center;
    gap: 0;
    padding-top: 0.5rem;
}

.pipeline-node {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    position: relative;
    animation: pipeline-pulse 2s ease-in-out infinite;
}

.pipeline-node:nth-child(3) { animation-delay: 0.5s; }
.pipeline-node:nth-child(5) { animation-delay: 1s; }
.pipeline-node:nth-child(7) { animation-delay: 1.5s; }

@keyframes pipeline-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.4); }
    50% { box-shadow: 0 0 0 6px rgba(0, 212, 255, 0); }
}

.pipeline-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    position: relative;
    overflow: hidden;
}

.pipeline-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, white, transparent);
    animation: pipeline-flow 2s linear infinite;
}

@keyframes pipeline-flow {
    0% { left: -50%; }
    100% { left: 150%; }
}

/* ===========================
   Experience Section
   =========================== */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.exp-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.exp-card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.03) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-slow);
}

.exp-card:hover .exp-card-glow {
    opacity: 1;
}

.exp-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15);
}

.exp-icon {
    width: 56px;
    height: 56px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary);
    margin-bottom: 1.25rem;
    transition: var(--transition);
}

.exp-card:hover .exp-icon {
    background: var(--gradient-1);
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.exp-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.exp-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

.exp-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.exp-tech span {
    font-size: 0.7rem;
    padding: 3px 10px;
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: 20px;
    color: var(--secondary);
    font-weight: 500;
}

/* ===========================
   Community / Timeline
   =========================== */
.community {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(17, 24, 39, 0.5) 50%, var(--bg-dark) 100%);
}

.community-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary), var(--accent));
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding: 0 30px 3rem;
    position: relative;
    width: 50%;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    margin-left: 50%;
}

.timeline-dot {
    position: absolute;
    right: -8px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid var(--bg-dark);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
    z-index: 2;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -8px;
    right: auto;
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    max-width: 320px;
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.timeline-date {
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
}

.timeline-content h3 {
    font-size: 1rem;
    margin: 0.5rem 0 0.25rem;
    color: var(--text-primary);
}

.timeline-location {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.timeline-location i {
    color: var(--accent);
    margin-right: 4px;
}

/* ===========================
   Gallery Section
   =========================== */
.gallery-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.filter-btn {
    padding: 8px 20px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.filter-btn:hover,
.filter-btn.active {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
    border-color: var(--primary);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(10, 14, 23, 0.95), transparent);
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.gallery-overlay p {
    font-size: 0.8rem;
    color: var(--primary);
}

.gallery-item.hidden {
    display: none;
}

/* ===========================
   Contact Section
   =========================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    text-decoration: none;
    transition: var(--transition);
}

.contact-link:hover {
    border-color: var(--primary);
    transform: translateX(5px);
    box-shadow: var(--shadow-glow);
}

.contact-link-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
}

.contact-link h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.contact-link p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.contact-link .fa-arrow-right {
    margin-left: auto;
    color: var(--text-muted);
    transition: var(--transition);
}

.contact-link:hover .fa-arrow-right {
    color: var(--primary);
    transform: translateX(5px);
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font-sans);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group select {
    appearance: none;
    cursor: pointer;
}

/* ===========================
   Footer
   =========================== */
.footer {
    padding: 3rem 2rem;
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
}

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

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.footer-logo .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 0.95rem;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.footer-socials {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.footer-socials a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
    text-decoration: none;
}

.footer-socials a:hover {
    color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.footer-copy .fa-heart {
    color: #ef4444;
}

.footer-copy .fa-coffee {
    color: var(--accent-orange);
}

/* ===========================
   Scroll Animations (AOS-like)
   =========================== */
[data-aos] {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos="fade-up"] {
    transform: translateY(40px);
}

[data-aos="fade-right"] {
    transform: translateX(-40px);
}

[data-aos="fade-left"] {
    transform: translateX(40px);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-socials {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .profile-container {
        width: 280px;
        height: 280px;
    }

    .profile-image {
        width: 160px;
        height: 160px;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .experience-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: rgba(10, 14, 23, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: var(--transition);
        border-left: 1px solid var(--border-color);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-toggle {
        display: block;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero-name {
        font-size: 2rem;
    }

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

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .experience-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }

    /* Timeline responsive */
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 50px;
        padding-right: 0;
    }

    .timeline-item:nth-child(even) {
        margin-left: 0;
    }

    .timeline-dot {
        left: 12px !important;
        right: auto !important;
    }

    .timeline-content {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 5rem 1rem 2rem;
    }

    .section {
        padding: 4rem 1rem;
    }

    .hero-name {
        font-size: 1.75rem;
    }

    .about-stats {
        grid-template-columns: 1fr 1fr;
    }

    .stat-number {
        font-size: 2rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

/* ===========================
   Work Experience Timeline
   =========================== */
.work-timeline {
    position: relative;
    padding-left: 40px;
}

.work-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary), var(--accent), var(--text-muted));
}

.work-item {
    position: relative;
    margin-bottom: 2.5rem;
}

.work-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
    position: relative;
    left: -40px;
    padding-left: 40px;
}

.work-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--text-muted);
    border: 3px solid var(--bg-dark);
    position: absolute;
    left: -33px;
    z-index: 2;
    transition: var(--transition);
}

.work-dot.current {
    background: var(--primary);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.6);
    animation: pulse-ring 2s ease-in-out infinite;
}

.work-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.work-date {
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
}

.work-badge {
    font-size: 0.65rem;
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.current-badge {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.work-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.75rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.work-card:hover {
    border-color: var(--primary);
    transform: translateX(5px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.1);
}

.work-card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
}

.work-card:hover .work-card-glow {
    opacity: 1;
}

.work-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.work-title-row h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.work-domain {
    font-size: 0.7rem;
    padding: 3px 12px;
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.25);
    border-radius: 20px;
    color: var(--secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.work-company {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.work-company i {
    color: var(--text-muted);
    margin-right: 6px;
}

.work-details {
    list-style: none;
    padding: 0;
    margin-bottom: 1.25rem;
}

.work-details li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0.3rem 0;
    padding-left: 1.25rem;
    position: relative;
    line-height: 1.6;
}

.work-details li::before {
    content: '▹';
    color: var(--primary);
    position: absolute;
    left: 0;
    font-size: 0.9rem;
}

.work-details li strong {
    color: var(--text-primary);
}

.work-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.work-tech span {
    font-size: 0.65rem;
    padding: 2px 10px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 20px;
    color: var(--primary);
    font-weight: 500;
}

/* ===========================
   Credentials Section
   =========================== */
.certifications-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(17, 24, 39, 0.5) 50%, var(--bg-dark) 100%);
}

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: start;
}

.credentials-heading {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.credentials-heading i {
    color: var(--primary);
    margin-right: 8px;
}

.credential-card {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    margin-bottom: 0.75rem;
    transition: var(--transition);
}

.credential-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.credential-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.credential-icon.edu {
    background: rgba(124, 58, 237, 0.12);
    color: var(--secondary);
}

.credential-icon.cert {
    background: rgba(0, 212, 255, 0.12);
    color: var(--primary);
}

.credential-icon.award-icon {
    background: rgba(245, 158, 11, 0.12);
    color: var(--accent-orange);
}

.credential-card h4 {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.15rem;
    font-weight: 600;
}

.credential-sub {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.credential-date {
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--primary);
    font-weight: 500;
}

/* ===========================
   Community Roles
   =========================== */
.community-roles {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
}

.role-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    transition: var(--transition);
}

.role-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.role-icon {
    width: 44px;
    height: 44px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
    margin: 0 auto 0.75rem;
}

.role-card h4 {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.role-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.role-date {
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--primary);
    font-weight: 600;
}

.speaking-subheading {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 2rem;
}

.speaking-subheading i {
    color: var(--primary);
    margin-right: 8px;
}

/* ===========================
   About Stats 3-column on larger screens
   =========================== */
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

/* ===========================
   Responsive additions
   =========================== */
@media (max-width: 1024px) {
    .credentials-grid {
        grid-template-columns: 1fr;
    }
    .community-roles {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .work-timeline {
        padding-left: 30px;
    }
    .work-timeline::before {
        left: 10px;
    }
    .work-dot {
        left: -28px;
    }
    .work-header {
        left: -30px;
        padding-left: 30px;
    }
    .community-roles {
        grid-template-columns: 1fr;
    }
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .work-title-row {
        flex-direction: column;
        align-items: flex-start;
    }
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===========================
   Loading Animation
   =========================== */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s, visibility 0.5s;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-text {
    font-family: var(--font-display);
    color: var(--primary);
    font-size: 1.2rem;
    font-weight: 600;
}

/* ===========================
   Lightbox
   =========================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    cursor: pointer;
}

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

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
}

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

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

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

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