/* ===================================
   CSS Variables & Custom Properties
   =================================== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: rgba(20, 20, 30, 0.8);
    --accent-primary: #00d4ff;
    --accent-secondary: #7c3aed;
    --accent-tertiary: #06b6d4;
    --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #7c3aed 50%, #06b6d4 100%);
    --accent-glow: rgba(0, 212, 255, 0.4);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.3);
    --font-primary: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-width: 280px;
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

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

ul,
ol {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    opacity: 0;
}

body:hover .cursor-glow {
    opacity: 1;
}

.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite ease-in-out;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) translateX(0);
        opacity: 0.3;
    }

    50% {
        transform: translateY(-100px) translateX(50px);
        opacity: 0.6;
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: 15px 0;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 clamp(16px, 5%, 72px);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 4px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 5px 0;
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 30px;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-normal);
}

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

.hero-bg-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.circle-1 {
    width: 600px;
    height: 600px;
    background: rgba(0, 212, 255, 0.15);
    top: -200px;
    right: -200px;
    animation: circleFloat1 20s infinite ease-in-out;
}

.circle-2 {
    width: 400px;
    height: 400px;
    background: rgba(124, 58, 237, 0.15);
    bottom: -100px;
    left: -100px;
    animation: circleFloat2 25s infinite ease-in-out;
}

.circle-3 {
    width: 300px;
    height: 300px;
    background: rgba(6, 182, 212, 0.1);
    top: 50%;
    left: 50%;
    animation: circleFloat3 18s infinite ease-in-out;
}

@keyframes circleFloat1 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(-50px, 50px) scale(1.1);
    }
}

@keyframes circleFloat2 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(30px, -30px) scale(0.9);
    }
}

@keyframes circleFloat3 {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        transform: translate(-40%, -60%) scale(1.2);
    }
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 clamp(16px, 5%, 72px);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 5vw, 80px);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 650px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--accent-primary);
    margin-bottom: 30px;
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: badgePulse 2s infinite;
}

@keyframes badgePulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
    }

    50% {
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 25px;
}

.title-hello {
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.title-name {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.title-role {
    position: relative;
    display: inline-block;
}

.role-text {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.role-underline {
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 60%;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-description .highlight {
    color: var(--accent-primary);
    font-weight: 600;
}

.hero-stats {
    display: flex;
    gap: 50px;
    margin-bottom: 50px;
    padding: 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    display: inline;
}

.stat-plus {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 5px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--bg-primary);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-normal);
}

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

.btn-primary:hover::before {
    opacity: 1;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

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

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-frame {
    position: relative;
    width: 400px;
    height: 400px;
}

.frame-border {
    position: absolute;
    inset: 0;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    background: linear-gradient(var(--bg-primary), var(--bg-primary)) padding-box, var(--accent-gradient) border-box;
    animation: borderRotate 10s linear infinite;
}

@keyframes borderRotate {
    0% {
        filter: hue-rotate(0deg);
    }

    100% {
        filter: hue-rotate(360deg);
    }
}

.profile-image {
    position: absolute;
    inset: 20px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--bg-secondary), var(--bg-tertiary));
}

.image-placeholder i {
    font-size: 8rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.5;
}

.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(20, 20, 30, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    animation: badgeFloat 4s ease-in-out infinite;
    z-index: 5;
}

.floating-badge i {
    font-size: 1.1rem;
}

.badge-flutter {
    top: 10%;
    right: -20%;
    color: #54C5F8;
    animation-delay: 0s;
}

.badge-dart {
    bottom: 30%;
    left: -20%;
    color: #00B4AB;
    animation-delay: 1s;
}

.badge-firebase {
    bottom: 10%;
    right: -10%;
    color: #FFA000;
    animation-delay: 2s;
}

@keyframes badgeFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.8rem;
    animation: scrollBounce 2s infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
    position: relative;
}

.wheel {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    animation: wheelScroll 2s infinite;
}

@keyframes wheelScroll {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }

    50% {
        transform: translateX(-50%) translateY(10px);
        opacity: 0;
    }
}

@keyframes scrollBounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

/* Section Styles */
.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: clamp(48px, 10vw, 120px) clamp(16px, 5%, 72px);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-subtitle {
    display: inline-block;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 15px;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 20px auto 0;
}

/* About Section */
.about {
    background: var(--bg-secondary);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 50px;
    backdrop-filter: blur(10px);
}

.card-glow {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.about-intro {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-glance {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent-primary);
    margin: 32px 0 16px 0;
}

.about-highlights {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 15px 20px;
    background: rgba(0, 212, 255, 0.05);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent-primary);
}

.highlight-item i {
    font-size: 1.5rem;
    color: var(--accent-primary);
    width: 30px;
}

.highlight-item strong {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
}

.highlight-item span {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-wrapper {
    position: relative;
    width: 350px;
    height: 350px;
}

.tech-orbit {
    position: absolute;
    inset: 0;
}

.orbit-ring {
    position: absolute;
    border: 1px dashed rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    animation: orbitSpin 20s linear infinite;
}

.ring-1 {
    inset: 0;
    animation-duration: 15s;
}

.ring-2 {
    inset: 40px;
    animation-duration: 20s;
    animation-direction: reverse;
}

.ring-3 {
    inset: 80px;
    animation-duration: 25s;
}

.orbit-dot {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 1rem;
}

@keyframes orbitSpin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.center-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.center-icon i {
    font-size: 3.5rem;
    color: var(--bg-primary);
}

/* Experience Section */
.experience {
    background: var(--bg-primary);
    position: relative;
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary), transparent);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    position: relative;
    width: 50%;
    padding-right: 50px;
    margin-bottom: 50px;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    margin-left: 50%;
    padding-right: 0;
    padding-left: 50px;
}

.timeline-marker {
    position: absolute;
    right: -12px;
    top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.timeline-item:nth-child(even) .timeline-marker {
    right: auto;
    left: -12px;
}

.marker-dot {
    width: 24px;
    height: 24px;
    background: var(--bg-primary);
    border: 3px solid var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--accent-glow);
    z-index: 1;
}

.marker-year {
    position: absolute;
    top: 30px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-primary);
    background: var(--bg-primary);
    padding: 2px 10px;
    border-radius: 4px;
}

.timeline-content {
    width: 100%;
}

.exp-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: 30px;
    transition: var(--transition-normal);
}

.exp-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-glow);
}

.exp-card.current {
    border-color: rgba(16, 185, 129, 0.5);
}

.exp-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 5px 15px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.exp-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.exp-company {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: 15px;
}

.exp-company i {
    font-size: 0.9rem;
}

.exp-date,
.exp-location {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-right: 20px;
}

.exp-description {
    margin-top: 15px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Projects Section */
.projects {
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.project-card:hover,
.project-card-link:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-glow);
}

.project-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.project-card-external {
    font-size: 0.65em;
    opacity: 0.7;
    margin-left: 4px;
}

.project-card-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--bg-tertiary), var(--bg-secondary));
}

.project-placeholder i {
    font-size: 4rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.6;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 10, 15, 0.9) 100%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition-normal);
}

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

.project-tech {
    font-size: 0.85rem;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.project-info {
    padding: 30px;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.project-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

.project-title-link {
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.project-title-link:hover {
    color: var(--accent-primary);
}

.project-location {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.85rem;
    color: var(--accent-primary);
}

.project-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

.project-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Skills Section */
.skills {
    background: var(--bg-primary);
}

.skills-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.skills-category {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 30px;
    transition: var(--transition-normal);
}

.skills-category:hover {
    border-color: rgba(0, 212, 255, 0.2);
    transform: translateY(-5px);
}

.category-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.category-title i {
    font-size: 1.3rem;
    color: var(--accent-primary);
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.skill-item:hover {
    background: rgba(0, 212, 255, 0.05);
}

.skill-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 8px;
    color: var(--accent-primary);
}

.skill-item span {
    flex: 1;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.skill-level {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 20px;
}

.skill-level.expert {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.skill-level.advanced {
    background: rgba(0, 212, 255, 0.15);
    color: var(--accent-primary);
}

.skill-level.intermediate {
    background: rgba(124, 58, 237, 0.15);
    color: var(--accent-secondary);
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
    position: relative;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.info-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 30px;
    overflow: hidden;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.info-item:last-child {
    border-bottom: none;
}

.info-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: 12px;
    font-size: 1.2rem;
    color: var(--bg-primary);
}

.info-details {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.info-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-details a,
.info-details span {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

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

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    font-size: 1.3rem;
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    border-color: transparent;
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 50px;
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 18px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    color: var(--text-primary);
    font-family: var(--font-primary);
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.03);
}

.form-group label {
    position: absolute;
    left: 20px;
    top: 18px;
    font-size: 1rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition-normal);
}

.form-group input:focus~label,
.form-group input:not(:placeholder-shown)~label,
.form-group textarea:focus~label,
.form-group textarea:not(:placeholder-shown)~label {
    top: -10px;
    left: 15px;
    font-size: 0.8rem;
    color: var(--accent-primary);
    background: var(--bg-card);
    padding: 0 8px;
}

.btn-submit {
    width: 100%;
    padding: 18px;
}

/* Footer */
.footer {
    background: var(--bg-primary);
    padding: 60px 0 30px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

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

.footer-links {
    display: flex;
    gap: 30px;
}

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

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
}

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

.footer-tagline i {
    color: #ef4444;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }
}

/* ===================================
   Responsive — Mobile, Tablet, Desktop
   =================================== */

/* Tablet & small desktop */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(320px, 85vw);
        max-width: 100%;
        height: 100vh;
        height: 100dvh;
        background: var(--bg-secondary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 28px;
        transition: var(--transition-normal);
        box-shadow: -4px 0 24px rgba(0, 0, 0, 0.4);
        padding-top: env(safe-area-inset-top);
        padding-right: env(safe-area-inset-right);
    }

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

    .nav-link {
        font-size: 1.05rem;
        padding: 10px 0;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
        min-width: 44px;
        min-height: 44px;
        align-items: center;
        justify-content: center;
    }

    .hero {
        padding-top: 90px;
        min-height: auto;
        padding-bottom: 60px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
    }

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

    .hero-stats {
        justify-content: center;
        gap: 32px;
        padding: 24px 0;
        margin-bottom: 36px;
    }

    .hero-cta {
        justify-content: center;
        flex-wrap: wrap;
        gap: 16px;
    }

    .hero-visual {
        order: -1;
        padding: 0 8px;
    }

    /* Prevent hero from clipping the chips on mobile */
    .hero {
        overflow: visible;
    }

    .hero-container {
        overflow: visible;
    }

    .visual-frame {
        width: min(300px, 85vw);
        height: min(300px, 85vw);
        margin: 0 auto;
        overflow: visible;
    }

    .frame-border,
    .profile-image {
        z-index: 1;
    }

    /* Show chips on tablet/mobile — always visible, reposition inside frame */
    .hero-visual .floating-badge {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        z-index: 10;
        padding: 8px 14px;
        font-size: 0.8rem;
        backdrop-filter: none;
    }

    .hero-visual .floating-badge i {
        font-size: 1rem;
    }

    .hero-visual .badge-flutter {
        top: 4px;
        right: 4px;
    }

    .hero-visual .badge-dart {
        bottom: 38%;
        left: 4px;
    }

    .hero-visual .badge-firebase {
        bottom: 4px;
        right: 4px;
    }

    .scroll-indicator {
        bottom: 24px;
    }

    .section-container {
        padding: clamp(48px, 8vw, 80px) clamp(16px, 5%, 48px);
    }

    .section-header {
        margin-bottom: 48px;
    }

    .section-title {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-card {
        padding: 32px 24px;
    }

    .about-intro {
        font-size: 1.1rem;
    }

    .timeline-line {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(even) {
        width: 100%;
        margin-left: 0;
        padding-left: 56px;
        padding-right: 16px;
        margin-bottom: 36px;
    }

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

    .exp-card {
        padding: 24px 20px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .project-info {
        padding: 24px 20px;
    }

    .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .skills-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .skills-category {
        padding: 24px 20px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form-wrapper {
        padding: 32px 24px;
    }

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

    .form-group input,
    .form-group textarea {
        padding: 16px 18px;
        min-height: 48px;
    }

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

    .info-card {
        padding: 28px 24px;
    }

    .footer-container {
        padding: 0 clamp(16px, 5%, 48px);
    }

    .footer {
        padding: 48px 0 24px;
    }

    .footer-content {
        flex-direction: column;
        gap: 28px;
        text-align: center;
        padding-bottom: 32px;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
        padding-top: 24px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .navbar {
        padding: 14px 0;
    }

    .navbar.scrolled {
        padding: 12px 0;
    }

    .logo-text {
        font-size: 1.25rem;
    }

    .hero {
        padding-top: 80px;
        padding-bottom: 48px;
    }

    .title-hello {
        font-size: 1.1rem;
    }

    .title-name {
        font-size: clamp(2rem, 10vw, 2.75rem);
        line-height: 1.15;
    }

    .role-text {
        font-size: clamp(1.25rem, 5vw, 1.6rem);
    }

    .role-underline {
        height: 3px;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 32px;
        line-height: 1.7;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
        align-items: center;
        padding: 20px 0;
        margin-bottom: 28px;
    }

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

    .stat-plus {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 16px 24px;
        min-height: 48px;
    }

    .section-title {
        font-size: clamp(1.6rem, 6vw, 2.2rem);
    }

    .section-subtitle {
        font-size: 0.85rem;
        letter-spacing: 2px;
    }

    .section-header {
        margin-bottom: 36px;
    }

    .about-card {
        padding: 28px 20px;
    }

    .about-highlights {
        margin-top: 28px;
        gap: 16px;
    }

    .highlight-item {
        padding: 14px 16px;
        gap: 14px;
    }

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

    .category-title {
        font-size: 1rem;
    }

    .project-image {
        height: 180px;
    }

    .project-placeholder i {
        font-size: 3rem;
    }

    .contact-form-wrapper {
        padding: 28px 20px;
    }

    .btn-submit {
        min-height: 52px;
    }

    .footer-logo {
        font-size: 1.5rem;
    }
}

/* Small mobile */
@media (max-width: 576px) {
    .nav-container {
        padding: 0 16px;
    }

    .hero-container {
        padding: 0 16px;
        gap: 36px;
    }

    .hero-visual .floating-badge {
        padding: 6px 10px;
        font-size: 0.75rem;
    }

    .hero-visual .floating-badge i {
        font-size: 0.9rem;
    }

    .hero-visual .badge-dart {
        bottom: 36%;
    }

    .hero-badge {
        padding: 6px 16px;
        font-size: 0.85rem;
        margin-bottom: 20px;
    }

    .title-name {
        font-size: 1.85rem;
    }

    .role-text {
        font-size: 1.2rem;
    }

    .section-container {
        padding: 40px 16px;
    }

    .section-header {
        margin-bottom: 28px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .about-card {
        padding: 24px 16px;
    }

    .timeline-item,
    .timeline-item:nth-child(even) {
        padding-left: 48px;
        padding-right: 12px;
        margin-bottom: 28px;
    }

    .timeline-marker {
        left: 4px;
    }

    .timeline-line {
        left: 14px;
    }

    .marker-dot {
        width: 20px;
        height: 20px;
    }

    .exp-card {
        padding: 20px 16px;
    }

    .exp-title {
        font-size: 1.15rem;
    }

    .projects-grid {
        gap: 24px;
    }

    .project-info {
        padding: 20px 16px;
    }

    .project-header h3 {
        font-size: 1.2rem;
    }

    .contact-form-wrapper {
        padding: 24px 16px;
    }

    .info-card {
        padding: 24px 16px;
    }

    .info-item {
        padding: 16px 0;
        flex-wrap: wrap;
    }

    .social-link {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }

    .footer-content {
        gap: 24px;
    }

    .footer-links {
        gap: 16px;
    }
}

/* Extra small (e.g. 320px) */
@media (max-width: 480px) {
    .logo-text {
        font-size: 1.1rem;
        letter-spacing: 1px;
    }

    .title-name {
        font-size: 1.65rem;
    }

    .role-text {
        font-size: 1.1rem;
    }

    .hero-stats {
        gap: 20px;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .about-intro {
        font-size: 1rem;
    }

    .image-placeholder i {
        font-size: 6rem;
    }
}

/* Large desktop — optional refinements */
@media (min-width: 1200px) {
    .hero-container {
        gap: 100px;
    }

    .section-container {
        padding: 140px clamp(24px, 6%, 72px);
    }
}

::selection {
    background: rgba(0, 212, 255, 0.3);
}

::-webkit-scrollbar {
    width: 8px;
}

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

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

/* E-Learning Projects Section */
.elearning-projects {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    position: relative;
}

.elearning-projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-secondary), transparent);
}

.elearning-projects .section-description {
    margin-top: 15px;
}

.elearning-projects .section-description strong {
    color: var(--accent-primary);
}

/* Featured Project Cards */
.project-card.featured {
    border: 1px solid rgba(124, 58, 237, 0.3);
    background: linear-gradient(145deg, rgba(124, 58, 237, 0.1) 0%, rgba(0, 212, 255, 0.05) 100%);
}

.project-card.featured:hover {
    border-color: rgba(124, 58, 237, 0.5);
    box-shadow: 0 20px 50px rgba(124, 58, 237, 0.2);
}

.project-card.featured .project-placeholder {
    background: linear-gradient(145deg, rgba(124, 58, 237, 0.2), rgba(0, 212, 255, 0.1));
}

.project-card.featured .project-placeholder i {
    background: linear-gradient(135deg, #7c3aed, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Project Users Badge */
.project-users {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: #10b981;
    font-weight: 600;
    background: rgba(16, 185, 129, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
}

.project-users i {
    font-size: 0.8rem;
}

/* Project Role Badge */
.project-role {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--accent-secondary);
    font-weight: 500;
}

.project-role i {
    color: var(--accent-primary);
}

.section-title:hover,
.title-name:hover {
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.3));
}