/* ==========================================================================
   DESIGN VARIABLES & SYSTEM
   ========================================================================== */
:root {
    /* Color Palette */
    --bg-base: #050816;
    --bg-secondary: #0f172a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --border-glow: rgba(255, 255, 255, 0.08);
    --border-glow-hover: rgba(255, 255, 255, 0.16);
    
    --accent-primary: #4f46e5;      /* Indigo */
    --accent-primary-glow: rgba(79, 70, 229, 0.35);
    --accent-secondary: #06b6d4;    /* Cyan */
    --accent-secondary-glow: rgba(6, 182, 212, 0.35);
    
    --text-primary: #ffffff;
    --text-gray: #94a3b8;
    --text-muted: #64748b;
    
    /* Layout Configurations */
    --navbar-height: 80px;
    --container-width: 1200px;
    --transition-curve: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-duration: 0.4s;
}

/* ==========================================================================
   RESET & SYSTEM INITIALIZATION
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
    overflow-x: hidden;
    min-height: 100vh;
    line-height: 1.6;
    background-color: var(--bg-base);
    -webkit-font-smoothing: antialiased;
}

body.no-scroll {
    overflow: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border-radius: 99px;
    border: 1px solid var(--border-glow);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* ==========================================================================
   INTERACTIVE INTRO LOADER
   ========================================================================== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: #03040b;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s var(--transition-curve), visibility 0.8s var(--transition-curve);
}

.loading-screen.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    text-align: center;
}

.loader-circle {
    width: 110px;
    height: 110px;
    border: 2px solid rgba(79, 70, 229, 0.08);
    border-top: 2px solid var(--accent-primary);
    border-radius: 50%;
    animation: loader-spin 1.5s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.loader-logo {
    position: absolute;
    top: 36px;
    font-weight: 800;
    font-size: 1.65rem;
    letter-spacing: -0.06em;
    background: linear-gradient(135deg, #ffffff 40%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.loader-progress {
    width: 180px;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: 99px;
    overflow: hidden;
    margin-top: 36px;
    position: relative;
}

.loader-progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 99px;
    transition: width 0.1s linear;
}

.loader-text {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--text-gray);
    margin-top: 14px;
    text-transform: uppercase;
}

@keyframes loader-spin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   CUSTOM CURSOR (Apple/Stripe Inspired Desktop Enhancement)
   ========================================================================== */
.custom-cursor {
    width: 8px;
    height: 8px;
    background-color: var(--accent-secondary);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    transition: width 0.2s, height 0.2s, background-color 0.2s;
}

.custom-cursor-outline {
    width: 32px;
    height: 32px;
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9998;
    transition: width 0.25s var(--transition-curve), height 0.25s var(--transition-curve), border-color 0.25s var(--transition-curve);
}

/* Hover expansion states */
body.cursor-hover .custom-cursor {
    width: 4px;
    height: 4px;
    background-color: var(--accent-primary);
}

body.cursor-hover .custom-cursor-outline {
    width: 48px;
    height: 48px;
    border-color: var(--accent-primary-glow);
    background-color: rgba(79, 70, 229, 0.05);
}

@media (max-width: 1024px) {
    .custom-cursor, .custom-cursor-outline {
        display: none;
    }
}

/* ==========================================================================
   SCROLL PROGRESS BAR
   ========================================================================== */
.scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    z-index: 10000;
}

/* ==========================================================================
   BACKGROUND CANVAS
   ========================================================================== */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

/* ==========================================================================
   GLOBAL UTILITIES
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

.subtitle {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.25em;
    color: var(--accent-secondary);
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 12px;
}

.section-heading {
    font-size: 2.35rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #ffffff 40%, var(--text-gray) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   GLASSMORPHISM & PREMIUM CARDS
   ========================================================================== */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(14px) saturate(180%);
    -webkit-backdrop-filter: blur(14px) saturate(180%);
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.35);
    transition: border-color var(--transition-duration) var(--transition-curve),
                transform var(--transition-duration) var(--transition-curve),
                box-shadow var(--transition-duration) var(--transition-curve);
}

.glass-card:hover {
    border-color: var(--border-glow-hover);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

/* Radial Glow Hover Tracking setup */
.card-glow {
    position: relative;
    overflow: hidden;
}

.card-glow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.05), transparent 40%);
    pointer-events: none;
    z-index: 1;
}

/* Background Aurora Lights */
.aurora-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    -webkit-filter: blur(120px);
    opacity: 0.14;
    pointer-events: none;
    z-index: -1;
}

.glow-1 {
    top: -10%;
    left: 10%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
}

.glow-2 {
    top: 40%;
    right: 5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
}

/* ==========================================================================
   PREMIUM BUTTONS (Stripe & Apple Inspired)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 11px 26px;
    border-radius: 99px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s var(--transition-curve),
                background-color 0.3s var(--transition-curve),
                border-color 0.3s var(--transition-curve),
                box-shadow 0.3s var(--transition-curve);
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--text-primary);
    box-shadow: 0 0 20px var(--accent-primary-glow);
}

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

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.04);
    border-color: var(--border-glow-hover);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.75rem;
}

/* Ripple Button Effect Structure */
.ripple-element {
    position: absolute;
    background: rgba(255, 255, 255, 0.35);
    border-radius: 50%;
    transform: scale(0);
    animation: ripple-growth 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-growth {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ==========================================================================
   STICKY NAVBAR
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);
    background-color: rgba(5, 8, 22, 0.25);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-glow);
    z-index: 1000;
    transition: background-color 0.3s var(--transition-curve),
                height 0.3s var(--transition-curve),
                border-color 0.3s var(--transition-curve);
}

.navbar.scrolled {
    background-color: rgba(15, 23, 42, 0.85);
    height: 70px;
    border-color: var(--border-glow-hover);
}

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

.logo {
    display: flex;
    align-items: center;
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: -0.04em;
    color: var(--text-primary);
}

.logo-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    margin-left: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-item {
    font-size: 0.85rem;
    font-weight: 550;
    color: var(--text-gray);
    position: relative;
    padding: 6px 0;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transition: width 0.3s var(--transition-curve);
}

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

.nav-item.active::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Hamburger Menu button */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 22px;
    height: 16px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.menu-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: transform 0.3s var(--transition-curve), opacity 0.3s var(--transition-curve);
}

/* Drawer mobile navigation */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: rgba(5, 8, 22, 0.96);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    z-index: 990;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: right 0.5s var(--transition-curve);
    overflow-y: auto;
}

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

.mobile-nav-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    width: 100%;
    padding: 40px;
}

.mobile-nav-item {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-gray);
}

.mobile-nav-item:hover {
    color: var(--text-primary);
}

.mobile-nav-btn {
    margin-top: 12px;
    width: 200px;
}

/* Menu open bar alignments */
.menu-toggle.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-sec {
    position: relative;
    min-height: 100vh;
    padding-top: calc(var(--navbar-height) + 40px);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(255, 255, 255, 0.005) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.005) 1px, transparent 1px);
    background-size: 70px 70px;
    background-position: center;
    mask-image: radial-gradient(ellipse 65% 55% at 50% 50%, #000 45%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 65% 55% at 50% 50%, #000 45%, transparent 100%);
    z-index: -1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
}

.availability-badge-wrapper {
    margin-bottom: 24px;
}

.availability-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(6, 182, 212, 0.06);
    border: 1px solid rgba(6, 182, 212, 0.2);
    padding: 8px 16px;
    border-radius: 99px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent-secondary);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.pulse-dot {
    width: 7px;
    height: 7px;
    background-color: var(--accent-secondary);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7);
    animation: availability-pulse-ring 2s infinite;
}

@keyframes availability-pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7); }
    70% { box-shadow: 0 0 0 6px rgba(6, 182, 212, 0); }
    100% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

.hero-subtitle {
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.3em;
    color: var(--accent-primary);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.hero-title {
    font-size: 4.85rem;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 14px;
    background: linear-gradient(135deg, #ffffff 50%, rgba(255, 255, 255, 0.5) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-profession {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.cursor-caret {
    color: var(--accent-secondary);
    animation: blink-caret 0.75s step-end infinite;
}

@keyframes blink-caret {
    from, to { color: transparent }
    50% { color: var(--accent-secondary); }
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-gray);
    max-width: 580px;
    margin-bottom: 36px;
    font-weight: 400;
}

.hero-btns {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 36px;
}

.hero-socials {
    display: flex;
    align-items: center;
    gap: 16px;
}

.social-link {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border-glow);
    background-color: var(--bg-secondary);
    color: var(--text-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s var(--transition-curve);
}

.social-link:hover {
    color: var(--text-primary);
    border-color: var(--accent-secondary);
    box-shadow: 0 0 12px var(--accent-secondary-glow);
    transform: translateY(-2px);
}

/* Image wrapper and decorative gradient rings */
.hero-image-pane {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
}

.image-wrapper {
    position: relative;
    width: 300px;
    height: 300px;
}

.glow-ring {
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    filter: blur(12px);
    opacity: 0.35;
    animation: rotate-gradient 10s linear infinite;
}

@keyframes rotate-gradient {
    to { transform: rotate(360deg); }
}

.image-container {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-glow);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.profile-img {
    width: 100%;
    height: 100%;
    object-cover: cover;
    transition: transform 0.6s var(--transition-curve);
}

.profile-img:hover {
    transform: scale(1.05);
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-sec {
    padding: 120px 0;
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
    align-items: flex-start;
}

.about-text-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-lead {
    font-size: 1.35rem;
    line-height: 1.45;
    font-weight: 600;
    color: var(--text-primary);
}

.about-paragraph {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.7;
}

.about-objective-card {
    margin-top: 14px;
    padding: 24px;
}

.objective-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.objective-text {
    font-size: 0.85rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.about-stats-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stats-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 24px;
}

.card-icon-wrap {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background-color: rgba(79, 70, 229, 0.08);
    border: 1px solid rgba(79, 70, 229, 0.2);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stats-info h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.stats-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-secondary);
}

.stats-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================================================
   SKILLS SECTION
   ========================================================================== */
.skills-sec {
    padding: 120px 0;
    position: relative;
}

.skills-layout-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.skill-category-card {
    padding: 28px;
}

.skill-cat-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
    color: var(--accent-secondary);
}

.skill-cat-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.svg-code-icon {
    font-family: monospace;
    font-weight: bold;
    font-size: 1rem;
}

.skill-bars-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-progress-wrap {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-label-bar {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-gray);
}

.progress-bar-bg {
    width: 100%;
    height: 5px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 99px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    width: 0%;
    transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.projects-sec {
    padding: 120px 0;
    position: relative;
}

.projects-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
}

.filter-btn {
    background-color: transparent;
    border: 1px solid var(--border-glow);
    color: var(--text-gray);
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.78rem;
    padding: 8px 22px;
    border-radius: 99px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.3s var(--transition-curve);
}

.filter-btn:hover, .filter-btn.active {
    color: var(--text-primary);
    border-color: var(--accent-secondary);
    background-color: rgba(6, 182, 212, 0.05);
    box-shadow: 0 0 10px var(--accent-secondary-glow);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    transition: opacity 0.4s var(--transition-curve);
}

.project-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 0;
    overflow: hidden;
}

.project-media {
    position: relative;
    height: 200px;
    width: 100%;
    background-color: #030409;
    border-bottom: 1px solid var(--border-glow);
    overflow: hidden;
}

.media-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 50%, rgba(5, 8, 22, 0.8) 100%);
    z-index: 2;
    pointer-events: none;
}

/* Styled browser layouts instead of broken images */
.mock-screenshot {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.gradient-violet {
    background: radial-gradient(circle, rgba(79, 70, 229, 0.25) 0%, transparent 80%);
}
.gradient-blue {
    background: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, transparent 80%);
}
.gradient-cyan {
    background: radial-gradient(circle, rgba(14, 184, 166, 0.25) 0%, transparent 80%);
}

.browser-frame {
    width: 100%;
    height: 100%;
    background-color: #0b0f19;
    border: 1px solid var(--border-glow);
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    transition: transform 0.5s var(--transition-curve);
}

.project-card:hover .browser-frame {
    transform: scale(1.03);
}

.browser-header {
    height: 22px;
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-glow);
    display: flex;
    align-items: center;
    padding: 0 10px;
    gap: 5px;
}

.b-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
}
.b-dot.red { background-color: #ef4444; }
.b-dot.yellow { background-color: #f59e0b; }
.b-dot.green { background-color: #10b981; }

.b-address {
    font-family: monospace;
    font-size: 0.55rem;
    color: var(--text-muted);
    margin-left: 10px;
}

.browser-content {
    flex-grow: 1;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.content-header-stub {
    height: 16px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glow);
    border-radius: 4px;
}

.content-grid-stub {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    flex-grow: 1;
}

.grid-box-stub {
    background-color: rgba(255, 255, 255, 0.015);
    border: 1px dashed var(--border-glow);
    border-radius: 4px;
}

/* Unique contents Mockups */
.content-circle-graph {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 3px double var(--accent-secondary);
    margin: 10px auto;
}

.content-chart-bars {
    height: 24px;
    border: 1px dashed var(--accent-primary-glow);
    background: linear-gradient(90deg, rgba(79, 70, 229, 0.1) 60%, transparent 60%);
    border-radius: 4px;
}

.content-scanner-wave {
    height: 40px;
    background: radial-gradient(ellipse at center, rgba(6, 182, 212, 0.1) 0%, transparent 100%);
    border-bottom: 1px dashed var(--accent-secondary);
    position: relative;
}

.content-scanner-wave::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--accent-secondary);
    box-shadow: 0 0 10px var(--accent-secondary);
    animation: scan-loop 2s infinite alternate;
}

@keyframes scan-loop {
    to { top: 40px; }
}

.project-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.project-card-desc {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-bottom: 20px;
    flex-grow: 1;
    font-weight: 300;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
}

.project-tags span {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-gray);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-glow);
    padding: 3px 9px;
    border-radius: 99px;
}

.project-actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.project-actions .btn {
    flex: 1;
}

/* ==========================================================================
   EDUCATION SECTION
   ========================================================================== */
.education-sec {
    padding: 120px 0;
    position: relative;
}

.education-timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.edu-card {
    padding: 32px;
}

.edu-date {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: var(--accent-secondary);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.edu-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.edu-institution {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.edu-grade {
    font-size: 0.8rem;
    color: var(--accent-primary);
    font-weight: 700;
    margin-bottom: 12px;
}

.edu-desc {
    font-size: 0.8rem;
    color: var(--text-gray);
    font-weight: 300;
}

/* ==========================================================================
   EXPERIENCE SECTION (Vertical Timeline)
   ========================================================================== */
.experience-sec {
    padding: 120px 0;
    position: relative;
}

.experience-timeline-container {
    position: relative;
    max-width: 700px;
    margin: 40px auto 0;
}

.vertical-timeline-bar {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    background: linear-gradient(180deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
}

.exp-item-block {
    position: relative;
    width: 50%;
    padding: 0 32px;
}

.exp-item-block.left-aligned {
    left: 0;
    text-align: right;
}

.timeline-bullet {
    position: absolute;
    top: 24px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--bg-base);
    border: 3px solid var(--accent-primary);
    z-index: 5;
}

.exp-item-block.left-aligned .timeline-bullet {
    right: -7px;
}

.exp-date-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.exp-role {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.exp-location {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.exp-desc {
    font-size: 0.82rem;
    color: var(--text-gray);
    font-weight: 300;
}

/* ==========================================================================
   CERTIFICATES SECTION
   ========================================================================== */
.certificates-sec {
    padding: 120px 0;
    position: relative;
}

.certificates-grid-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.cert-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 36px 24px;
}

.cert-icon-container {
    color: var(--accent-secondary);
    margin-bottom: 20px;
    background-color: rgba(6, 182, 212, 0.04);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 1px solid rgba(6, 182, 212, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-title-heading {
    font-size: 1.05rem;
    margin-bottom: 8px;
    line-height: 1.35;
}

.cert-authority-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-gray);
    margin-bottom: 4px;
}

.cert-serial {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-sec {
    padding: 120px 0;
    position: relative;
}

.contact-grid-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.11fr;
    gap: 60px;
    align-items: flex-start;
}

.contact-sidebar-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.sidebar-headline {
    font-size: 2.15rem;
    font-weight: 800;
    line-height: 1.15;
}

.sidebar-tagline {
    color: var(--text-gray);
    font-size: 0.98rem;
    font-weight: 300;
}

.contact-meta-records {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.meta-row {
    display: flex;
    align-items: center;
    gap: 16px;
}

.meta-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border-glow);
    background-color: var(--bg-secondary);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.meta-details-text {
    display: flex;
    flex-direction: column;
}

.details-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    text-transform: uppercase;
}

.meta-details-text a, .location-txt {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.meta-details-text a:hover {
    color: var(--accent-primary);
}

.sidebar-socials-strip {
    display: flex;
    gap: 12px;
}

.social-icon-btn {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--border-glow);
    background-color: var(--bg-secondary);
    color: var(--text-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s var(--transition-curve);
}

.social-icon-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

/* Form layouts */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

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

.form-field-wrap label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-gray);
    text-transform: uppercase;
}

.form-field-wrap input, .form-field-wrap textarea {
    background-color: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--border-glow);
    border-radius: 12px;
    padding: 13px 17px;
    color: var(--text-primary);
    font-family: 'Poppins', sans-serif;
    font-size: 0.88rem;
    outline: none;
    transition: border-color 0.3s var(--transition-curve), box-shadow 0.3s var(--transition-curve);
}

.form-field-wrap input:focus, .form-field-wrap textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px rgba(79, 70, 229, 0.15);
}

.btn-submit-form {
    align-self: flex-start;
    padding: 13px 30px;
}

.form-response-msg {
    font-size: 0.82rem;
    font-weight: 600;
    margin-top: 10px;
    display: none;
}

.form-response-msg.success {
    display: block;
    color: var(--accent-secondary);
}

.form-response-msg.error {
    display: block;
    color: #f87171;
}

/* ==========================================================================
   BACK TO TOP BUTTON
   ========================================================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: -60px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-glow);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 900;
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    transition: all 0.4s var(--transition-curve);
}

.back-to-top.show {
    right: 30px;
}

.back-to-top:hover {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px var(--accent-primary-glow);
    transform: translateY(-3px);
}

/* ==========================================================================
   PREMIUM FOOTER
   ========================================================================== */
.footer-area {
    border-top: 1px solid var(--border-glow);
    background-color: var(--bg-secondary);
    padding: 70px 0 35px;
}

.footer-container {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.footer-top-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-brand-column {
    max-width: 320px;
}

.brand-subtext {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-top: 14px;
    font-weight: 300;
}

.footer-navigation-column {
    display: flex;
    gap: 80px;
    flex-wrap: wrap;
}

.nav-col-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nav-col-links h4 {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.nav-col-links a {
    font-size: 0.82rem;
    color: var(--text-gray);
}

.nav-col-links a:hover {
    color: var(--text-primary);
}

.footer-bottom-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-glow);
    padding-top: 35px;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ==========================================================================
   SCROLL REVEAL STRUCTURES
   ========================================================================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--transition-curve), transform 0.8s var(--transition-curve);
}

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

/* Page load delays */
.fade-in {
    opacity: 0;
    animation: fade-in-trigger 1s var(--transition-curve) forwards;
}

.slide-up {
    opacity: 0;
    transform: translateY(20px);
    animation: slide-up-trigger 1s var(--transition-curve) forwards;
}

.hero-content .slide-up:nth-child(2) { animation-delay: 0.1s; }
.hero-content .slide-up:nth-child(3) { animation-delay: 0.2s; }
.hero-content .slide-up:nth-child(4) { animation-delay: 0.3s; }
.hero-content .slide-up:nth-child(5) { animation-delay: 0.4s; }
.hero-content .slide-up:nth-child(6) { animation-delay: 0.5s; }

@keyframes fade-in-trigger {
    to { opacity: 1; }
}

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

/* ==========================================================================
   MEDIA QUERIES (Responsiveness across screens)
   ========================================================================== */
@media (max-width: 1024px) {
    section {
        padding: 90px 0;
    }
    .hero-container {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 30px;
    }
    .hero-title {
        font-size: 3.75rem;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-stats-cards {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
    .stats-card {
        flex: 1 1 280px;
    }
    .skills-layout-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .education-timeline {
        grid-template-columns: repeat(2, 1fr);
    }
    .education-timeline .edu-card:nth-child(3) {
        grid-column: span 2;
    }
    .certificates-grid-list {
        grid-template-columns: repeat(2, 1fr);
    }
    .certificates-grid-list .cert-box:nth-child(3) {
        grid-column: span 2;
    }
    .contact-grid-layout {
        gap: 30px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 70px 0;
    }
    .section-heading {
        font-size: 2rem;
    }
    .navbar {
        height: 70px;
    }
    .nav-cta .btn {
        display: none; /* Hide header btn to prevent navbar crowding */
    }
    .menu-toggle {
        display: flex;
    }
    .nav-links {
        display: none;
    }
    .hero-sec {
        padding-top: 100px;
    }
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .hero-title {
        font-size: 3.25rem;
    }
    .hero-image-pane {
        order: -1;
    }
    .skills-layout-grid {
        grid-template-columns: 1fr;
    }
    .projects-grid {
        grid-template-columns: 1fr;
    }
    .education-timeline {
        grid-template-columns: 1fr;
    }
    .education-timeline .edu-card:nth-child(3) {
        grid-column: auto;
    }
    .certificates-grid-list {
        grid-template-columns: 1fr;
    }
    .certificates-grid-list .cert-box:nth-child(3) {
        grid-column: auto;
    }
    .contact-grid-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .form-row-group {
        grid-template-columns: 1fr;
    }
    .vertical-timeline-bar {
        left: 20px;
    }
    .exp-item-block {
        width: 100%;
        padding-left: 45px;
        padding-right: 0;
    }
    .exp-item-block.left-aligned {
        text-align: left;
    }
    .exp-item-block.left-aligned .timeline-bullet {
        left: 13px;
        right: auto;
    }
}

@media (max-width: 480px) {
    section {
        padding: 55px 0;
    }
    .container {
        padding: 0 16px;
    }
    .glass-card {
        padding: 20px;
    }
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.15;
    }
    .hero-profession {
        font-size: 1.45rem;
    }
    .hero-btns {
        flex-direction: column;
        width: 100%;
    }
    .hero-btns .btn {
        width: 100%;
    }
    .btn {
        padding: 10px 20px;
        font-size: 0.8rem;
    }
    .btn-sm {
        padding: 6px 12px;
        font-size: 0.7rem;
    }
    .image-wrapper {
        width: 260px;
        height: 260px;
    }
    .about-stats-cards {
        flex-direction: column;
        gap: 15px;
    }
    .stats-card {
        flex: 1 1 auto;
        padding: 16px;
        gap: 14px;
    }
    .projects-filters {
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 30px;
    }
    .filter-btn {
        font-size: 0.72rem;
        padding: 6px 16px;
    }
    .sidebar-headline {
        font-size: 1.75rem;
    }
    .footer-top-row {
        flex-direction: column;
        gap: 30px;
    }
    .footer-navigation-column {
        gap: 40px;
    }
    .footer-bottom-row {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
}

@media (max-width: 360px) {
    .image-wrapper {
        width: 220px;
        height: 220px;
    }
}