/* ==========================================================================
   Design Tokens & CSS Variables
   ========================================================================== */
:root {
    --bg-dark: #07080d;
    --bg-dark-alt: #0e111b;
    --bg-card: rgba(14, 18, 30, 0.65);
    --bg-card-hover: rgba(20, 27, 46, 0.85);
    
    --color-primary: #0066FF;
    --color-primary-light: #3385ff;
    --color-primary-dark: #004ecc;
    --color-accent: #00D2FF;
    --color-accent-glow: rgba(0, 210, 255, 0.15);
    --color-primary-glow: rgba(0, 102, 255, 0.25);
    
    --color-text-main: #F8FAFC;
    --color-text-muted: #94A3B8;
    --color-text-dim: #64748B;
    
    --border-glass: rgba(0, 102, 255, 0.15);
    --border-glass-hover: rgba(0, 102, 255, 0.35);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --container-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    background-color: var(--bg-dark);
    color: var(--color-text-main);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

button, input, textarea {
    font-family: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
}

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

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

.section {
    padding: 100px 0;
    position: relative;
    z-index: 2;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header .subtitle {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    display: inline-block;
    margin-bottom: 8px;
}

.section-header .section-title {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-header .title-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    margin: 16px auto 0;
    border-radius: var(--radius-full);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    box-shadow: 0 4px 20px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 102, 255, 0.4);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}

.btn-primary svg {
    transition: var(--transition-fast);
}

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

.btn-outline {
    border: 1px solid var(--border-glass);
    background: rgba(255, 255, 255, 0.02);
    color: var(--color-text-main);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    border-color: var(--color-primary-light);
    background: rgba(0, 102, 255, 0.08);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 102, 255, 0.1);
}

/* Scroll Progress Bar */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    width: 0%;
    z-index: 1000;
    transition: width 0.1s ease-out;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(7, 8, 13, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    z-index: 100;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    height: 70px;
    background: rgba(7, 8, 13, 0.85);
    border-bottom: 1px solid var(--border-glass);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    height: 100%;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    box-shadow: 0 0 10px var(--color-primary);
}

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

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
    padding: 6px 0;
}

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

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

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

.contact-btn-nav {
    border: 1px solid var(--border-glass);
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    background: rgba(0, 102, 255, 0.05);
    color: var(--color-text-main) !important;
}

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

.contact-btn-nav::after {
    display: none;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    font-size: 1.75rem;
    color: var(--color-text-main);
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(7, 8, 13, 0.98);
    backdrop-filter: blur(16px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

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

.close-menu {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 2rem;
    color: var(--color-text-main);
}

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

.mobile-link {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.mobile-link:hover {
    color: var(--color-primary-light);
    transform: scale(1.05);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--header-height);
    overflow: hidden;
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-primary-glow) 0%, rgba(7, 8, 13, 0) 70%);
    z-index: 1;
    pointer-events: none;
    filter: blur(40px);
}

.hero-container {
    position: relative;
    z-index: 2;
    padding-bottom: 60px;
}

.hero-content {
    max-width: 720px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 102, 255, 0.08);
    border: 1px solid var(--border-glass);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: 24px;
}

.pulse-indicator {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
    position: relative;
}

.pulse-indicator::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-full);
    animation: badge-pulse 2s infinite ease-out;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 500;
    color: var(--color-text-main);
    margin-bottom: 16px;
}

.hero-bio {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: 36px;
    line-height: 1.7;
    max-width: 600px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Scroll indicator mouse */
.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    justify-content: center;
}

.mouse {
    width: 26px;
    height: 44px;
    border: 2px solid var(--color-text-dim);
    border-radius: var(--radius-full);
    position: relative;
    transition: var(--transition-fast);
}

.mouse:hover {
    border-color: var(--color-primary);
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 1.6s infinite ease-in-out;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.about-info h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-text-main);
}

.about-info p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 32px;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-glass-hover);
    background: var(--bg-card-hover);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.05);
}

.skill-icon-wrapper {
    background: rgba(0, 102, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
}

.skill-icon {
    width: 24px;
    height: 24px;
}

.skill-info h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.skill-info p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.4;
}

/* About Visual - Image Frame */
.about-visual {
    display: flex;
    justify-content: center;
}

.image-frame-container {
    position: relative;
    width: 100%;
    max-width: 360px;
    aspect-ratio: 1 / 1.15;
}

.profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-glass);
    z-index: 2;
    position: relative;
    transition: var(--transition-smooth);
}

.image-frame-container:hover .profile-photo {
    border-color: var(--color-primary-light);
    box-shadow: 0 15px 40px rgba(0, 102, 255, 0.15);
}

.photo-placeholder-box {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(14, 18, 30, 0.8) 0%, rgba(7, 8, 13, 0.9) 100%);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    color: var(--color-text-muted);
    gap: 12px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    z-index: 2;
    position: relative;
}

.photo-placeholder-box:hover {
    border-color: var(--color-primary-light);
    box-shadow: 0 15px 40px rgba(0, 102, 255, 0.15);
}

.placeholder-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary-light);
    opacity: 0.8;
}

.photo-placeholder-box span {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text-main);
}

.image-dimensions-tip {
    font-size: 0.8rem;
    color: var(--color-text-dim);
}

.frame-border-element {
    position: absolute;
    top: 15px;
    left: 15px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    z-index: 1;
    pointer-events: none;
    opacity: 0.3;
    transition: var(--transition-smooth);
}

.image-frame-container:hover .frame-border-element {
    transform: translate(6px, 6px);
    opacity: 0.7;
    border-color: var(--color-accent);
}

/* ==========================================================================
   Portfolio Section
   ========================================================================== */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 24px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-glass);
    background: rgba(255, 255, 255, 0.02);
    color: var(--color-text-muted);
    transition: var(--transition-smooth);
}

.filter-btn:hover {
    color: var(--color-text-main);
    border-color: var(--color-primary-light);
    background: rgba(0, 102, 255, 0.05);
}

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

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 30px;
}

.portfolio-item {
    display: block;
    transition: transform 0.4s ease, opacity 0.4s ease;
}

.portfolio-item.hidden {
    display: none;
    opacity: 0;
    transform: scale(0.9);
}

.portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    aspect-ratio: 1.35;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary-light);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 102, 255, 0.1);
}

/* Creative Gradient Placeholders for items */
.card-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    padding: 24px;
    text-align: center;
    gap: 12px;
    position: relative;
}

.card-icon {
    width: 40px;
    height: 40px;
    opacity: 0.6;
    color: var(--color-primary-light);
}

.video-play-icon {
    width: 48px;
    height: 48px;
    color: var(--color-accent);
    opacity: 0.8;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.3));
    transition: var(--transition-fast);
}

.portfolio-card:hover .video-play-icon {
    transform: scale(1.15);
    color: #fff;
    opacity: 1;
}

.placeholder-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--color-text-main);
}

.asset-spec {
    font-size: 0.8rem;
    color: var(--color-text-dim);
}

/* Individual Placeholder Gradient Palettes */
.poster-gradient-1 {
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #311042 100%);
}
.poster-gradient-2 {
    background: linear-gradient(135deg, #020617 0%, #0c1c38 60%, #1b365d 100%);
}
.web-gradient-1 {
    background: linear-gradient(135deg, #030712 0%, #032b4b 60%, #004d80 100%);
}
.web-gradient-2 {
    background: linear-gradient(135deg, #070a13 0%, #161c2d 50%, #1e3a8a 100%);
}
.video-gradient-1 {
    background: linear-gradient(135deg, #090514 0%, #1d0f36 50%, #4c1d95 100%);
}
.video-gradient-2 {
    background: linear-gradient(135deg, #020617 0%, #17072b 60%, #3b0764 100%);
}

/* Hover Overlays */
.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(7, 8, 13, 0.95) 10%, rgba(7, 8, 13, 0.7) 60%, rgba(7, 8, 13, 0.2) 100%);
    opacity: 0;
    display: flex;
    align-items: flex-end;
    padding: 30px;
    transition: var(--transition-smooth);
    z-index: 3;
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.overlay-details {
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    width: 100%;
}

.portfolio-card:hover .overlay-details {
    transform: translateY(0);
}

.card-tag {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    display: inline-block;
    margin-bottom: 8px;
}

.card-project-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text-main);
}

.card-project-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    line-height: 1.5;
}

.tech-stack-badges {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.tech-stack-badges span {
    font-size: 0.75rem;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
}

.card-actions, .play-trigger-btn {
    margin-top: 8px;
}

.card-action-btn, .play-trigger-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-main);
    background: var(--color-primary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.play-trigger-btn {
    border: none;
}

.card-action-btn:hover, .play-trigger-btn:hover {
    background: var(--color-primary-light);
    box-shadow: 0 4px 12px var(--color-primary-glow);
}

.swap-instructions {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-dim);
    margin-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 8px;
}

/* ==========================================================================
   Video Modal Popup
   ========================================================================== */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.video-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 5, 8, 0.92);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 800px;
    aspect-ratio: 16 / 9;
    background: var(--bg-dark-alt);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
    z-index: 2;
    transform: scale(0.9);
    transition: var(--transition-smooth);
}

.video-modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 10;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: var(--radius-full);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

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

.modal-video-wrapper {
    width: 100%;
    height: 100%;
}

.mockup-player-screen {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, #111827 0%, #030712 100%);
    padding: 30px;
    text-align: center;
    color: var(--color-text-muted);
}

.large-play-icon {
    width: 64px;
    height: 64px;
    color: var(--color-accent);
    margin-bottom: 16px;
    animation: pulse-ring 2.5s infinite;
}

.mockup-player-screen h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 6px;
}

.modal-video-path-hint {
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

/* ==========================================================================
   Experience Section (Timeline)
   ========================================================================== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline-bar {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 32px;
    width: 4px;
    background: linear-gradient(to bottom, var(--color-primary) 0%, var(--color-accent) 50%, rgba(0, 102, 255, 0.1) 100%);
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 60px;
}

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

.timeline-dot {
    position: absolute;
    left: 24px;
    top: 8px;
    width: 20px;
    height: 20px;
    background: var(--bg-dark);
    border: 4px solid var(--color-primary);
    border-radius: var(--radius-full);
    z-index: 2;
    transition: var(--transition-fast);
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.15);
}

.timeline-item:hover .timeline-dot {
    background: var(--color-accent);
    border-color: #fff;
    box-shadow: 0 0 15px var(--color-accent);
    transform: scale(1.2);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 30px;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-content {
    border-color: var(--border-glass-hover);
    background: var(--bg-card-hover);
    transform: translateX(5px);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.05);
}

.timeline-period {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(0, 210, 255, 0.08);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: 12px;
    font-family: var(--font-heading);
}

.timeline-role {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.timeline-company {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary-light);
    margin-bottom: 16px;
}

.timeline-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==========================================================================
   Achievements Section
   ========================================================================== */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.achievement-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 30px;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.achievement-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary-light);
    background: var(--bg-card-hover);
    box-shadow: 0 15px 35px rgba(0, 102, 255, 0.08);
}

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

.ach-icon-box {
    background: rgba(0, 102, 255, 0.1);
    color: var(--color-primary-light);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.achievement-card:hover .ach-icon-box {
    background: var(--color-primary);
    color: #fff;
    transform: scale(1.1);
}

.ach-icon {
    width: 24px;
    height: 24px;
}

.ach-year {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-dim);
}

.achievement-card h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--color-text-main);
}

.achievement-card h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.achievement-card p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin: 0;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.contact-info h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.contact-info p {
    color: var(--color-text-muted);
    margin-bottom: 36px;
}

.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.contact-item-card:hover:not(.no-link) {
    border-color: var(--color-primary-light);
    background: var(--bg-card-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 102, 255, 0.05);
}

.contact-icon-wrapper {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
}

.contact-item-card:hover .contact-icon-wrapper {
    background: rgba(0, 102, 255, 0.1);
}

.contact-text-box span {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.contact-text-box strong {
    font-size: 1.05rem;
    color: var(--color-text-main);
    word-break: break-all;
}

/* Glass Form */
.glass-form {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-main);
    margin-bottom: 8px;
}

.input-wrapper, .textarea-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.form-icon {
    position: absolute;
    left: 16px;
    width: 18px;
    height: 18px;
    color: var(--color-text-dim);
    pointer-events: none;
    transition: var(--transition-fast);
}

.input-wrapper input, .textarea-wrapper textarea {
    width: 100%;
    background: rgba(7, 8, 13, 0.5);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 14px 16px 14px 48px;
    font-size: 0.95rem;
    color: var(--color-text-main);
    transition: var(--transition-fast);
}

.textarea-wrapper {
    align-items: flex-start;
}

.textarea-wrapper .form-icon {
    top: 16px;
}

.textarea-wrapper textarea {
    resize: none;
}

.input-wrapper input:focus, .textarea-wrapper textarea:focus {
    border-color: var(--color-primary-light);
    background: rgba(7, 8, 13, 0.8);
    box-shadow: 0 0 10px rgba(0, 102, 255, 0.15);
}

.input-wrapper input:focus + .form-icon,
.textarea-wrapper textarea:focus + .form-icon {
    color: var(--color-primary-light);
}

.btn-submit {
    width: 100%;
    border: none;
}

.form-success-message {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark-alt);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    text-align: center;
    gap: 16px;
    transform: translateY(100%);
    transition: var(--transition-smooth);
}

.form-success-message.active {
    transform: translateY(0);
}

.success-icon {
    width: 56px;
    height: 56px;
    color: #10B981;
}

.form-success-message h4 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
}

.form-success-message p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: #040508;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding: 60px 0;
    position: relative;
    z-index: 2;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    display: block;
    margin-bottom: 12px;
}

.footer-left p {
    font-size: 0.9rem;
    color: var(--color-text-dim);
    max-width: 360px;
}

.footer-right {
    text-align: right;
}

.footer-socials {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
    margin-bottom: 16px;
}

.footer-socials a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.footer-socials a:hover {
    transform: translateY(-2px);
}

.footer-socials a[aria-label="GitHub"]:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.08);
}

.footer-socials a[aria-label="LinkedIn"]:hover {
    color: #0A66C2;
    border-color: rgba(10, 102, 194, 0.4);
    background: rgba(10, 102, 194, 0.08);
}

.footer-socials a[aria-label="Email"]:hover {
    color: #EA4335;
    border-color: rgba(234, 67, 53, 0.4);
    background: rgba(234, 67, 53, 0.08);
}

.footer-socials a[aria-label="WhatsApp"]:hover {
    color: #25D366;
    border-color: rgba(37, 211, 102, 0.4);
    background: rgba(37, 211, 102, 0.08);
}

.footer-right .copyright {
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 46px;
    height: 46px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 90;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px var(--color-primary-glow);
}

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

#back-to-top:hover {
    background: var(--color-primary-light);
    transform: translateY(-3px);
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes badge-pulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(2.2);
        opacity: 0;
    }
}

@keyframes scroll-wheel {
    0% {
        top: 8px;
        opacity: 0;
    }
    30% {
        opacity: 1;
    }
    80% {
        top: 24px;
        opacity: 0;
    }
    100% {
        opacity: 0;
    }
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0, 210, 255, 0.4);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 15px rgba(0, 210, 255, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0, 210, 255, 0);
    }
}

/* Base states for JS Intersection Observer reveals */
.reveal-fade {
    opacity: 0;
    transform: translateY(15px);
    animation: reveal-fade-anim 0.8s forwards cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-slide-up {
    opacity: 0;
    transform: translateY(30px);
    animation: reveal-slide-up-anim 1s forwards cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes reveal-fade-anim {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes reveal-slide-up-anim {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveal JS animation helper */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    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);
}

/* ==========================================================================
   Education & Extracurricular Layouts
   ========================================================================== */
.sub-section-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text-main);
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 12px;
}

.sub-section-title svg {
    color: var(--color-primary-light);
}

/* Education Container */
.education-container {
    margin-top: 80px;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.edu-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 28px;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.edu-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-glass-hover);
    background: var(--bg-card-hover);
    box-shadow: 0 12px 30px rgba(0, 102, 255, 0.06);
}

.edu-year {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(0, 210, 255, 0.08);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    display: inline-block;
    margin-bottom: 16px;
}

.edu-card h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--color-text-main);
}

.edu-card h5 {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 14px;
}

.edu-card p {
    font-size: 0.85rem;
    color: var(--color-text-dim);
    line-height: 1.5;
    margin: 0;
}

/* Extracurriculars Activities List */
.activities-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.activity-item {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: 24px;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.activity-item:hover {
    border-left-color: var(--color-accent);
    transform: translateX(4px);
    background: var(--bg-card-hover);
}

.activity-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

.activity-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.activity-org {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(0, 210, 255, 0.08);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

.activity-item p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin: 0;
}

.activity-item ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.activity-item li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.activity-item li::before {
    content: "•";
    color: var(--color-primary-light);
    font-size: 1.2rem;
    position: absolute;
    left: 4px;
    top: -2px;
}

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

/* Center CTA button styling */
.center-cta {
    margin: 40px auto 0;
}

/* ==========================================================================
   GitHub Stats & Live Site Badges
   ========================================================================== */
.github-stats {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    background: rgba(0, 102, 255, 0.08);
    border: 1px solid rgba(0, 102, 255, 0.15);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--color-accent);
    backdrop-filter: blur(5px);
    width: fit-content;
}

.github-stats .stat-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.github-stats .stat-item svg {
    width: 12px;
    height: 12px;
    stroke-width: 2.5px;
}

.github-stats .lang-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    display: inline-block;
}

/* ==========================================================================
   Logo Ticker / Client Marquee Section
   ========================================================================== */
.clients-section {
    padding: 30px 0;
    background: rgba(14, 18, 30, 0.35);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    position: relative;
    z-index: 10;
    overflow: hidden;
}

.clients-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-dim);
    font-weight: 600;
}

.logo-ticker-container {
    display: flex;
    overflow: hidden;
    position: relative;
    width: 100%;
    padding: 10px 0;
}

/* Gradient Fade Mask on Left & Right */
.logo-ticker-container::before,
.logo-ticker-container::after {
    content: '';
    position: absolute;
    top: 0;
    width: 15%;
    height: 100%;
    z-index: 5;
    pointer-events: none;
}

.logo-ticker-container::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-dark), transparent);
}

.logo-ticker-container::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-dark), transparent);
}

.logo-ticker-track {
    display: flex;
    gap: 30px;
    width: max-content;
    animation: marquee-scroll 25s linear infinite;
}

.ticker-logo-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    white-space: nowrap;
    transition: var(--transition-fast);
}

.ticker-logo-icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary-light);
    stroke-width: 1.8px;
    stroke: currentColor;
    fill: none;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.ticker-logo-card:hover .ticker-logo-icon {
    color: var(--color-accent);
    transform: scale(1.1);
}

.ticker-logo-card:hover {
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.1);
}

.ticker-logo-text {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--color-text-main);
    opacity: 0.8;
    transition: var(--transition-fast);
}

.ticker-logo-card:hover .ticker-logo-text {
    color: var(--color-accent);
    opacity: 1;
}

/* Specific Font Styling for brands */
.font-tes .ticker-logo-text {
    font-style: italic;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Keyframes for Continuous Scroll */
@keyframes marquee-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }
    .about-grid, .contact-grid {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }
    .section-header {
        margin-bottom: 40px;
    }
    .section-header .section-title {
        font-size: 2.25rem;
    }
    
    .navbar {
        height: 70px;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 3.25rem;
    }
    .hero-tagline {
        font-size: 1.45rem;
    }
    .hero-bio {
        font-size: 1rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-visual {
        order: -1;
        margin-bottom: 20px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-bar {
        left: 16px;
    }
    .timeline-dot {
        left: 8px;
    }
    .timeline-item {
        padding-left: 44px;
    }
    .timeline-content {
        padding: 20px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    .footer-right {
        text-align: center;
    }
    .footer-socials {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.75rem;
    }
    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }
    .hero-ctas .btn {
        width: 100%;
    }
    .glass-form {
        padding: 24px;
    }
}