/* ===== VARIABLES ===== */
:root {
    /* Main Colors */
    --primary-color: #00ffaa;
    --secondary-color: #ff3e7f;
    --tertiary-color: #3a86ff;
    --background-color: #0a192f;
    --background-light: #112240;
    --text-color: #e6f1ff;
    --text-color-light: #8892b0;
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Gradients */
    --gradient-1: linear-gradient(45deg, var(--primary-color), var(--tertiary-color));
    --gradient-2: linear-gradient(45deg, var(--secondary-color), var(--tertiary-color));
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-normal: 0.5s ease;
    --transition-slow: 0.8s ease;
    
    /* Fonts */
    --font-main: 'Poppins', sans-serif;
    --font-code: 'Fira Code', monospace;
}

/* ===== RESET & BASE STYLES ===== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=Fira+Code:wght@400;500&display=swap');

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

html {
    scroll-behavior: smooth;
    font-size: 62.5%; /* 1rem = 10px */
}

body {
    font-family: var(--font-main);
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    overflow-x: hidden;
    position: relative;
}

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

ul {
    list-style: none;
}

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

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

section {
    padding: 8rem 0;
    position: relative;
}

.container {
    width: 90%;
    max-width: 120rem;
    margin: 0 auto;
}

/* ===== BACKGROUND EFFECTS ===== */
.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.gradient-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    transition: transform 3s ease-in-out;
}

.c1 {
    width: 600px;
    height: 600px;
    background: var(--primary-color);
    top: -200px;
    left: -100px;
    animation: pulse 15s infinite alternate;
}

.c2 {
    width: 500px;
    height: 500px;
    background: var(--secondary-color);
    bottom: -150px;
    right: -100px;
    animation: pulse 12s infinite alternate-reverse;
}

.c3 {
    width: 300px;
    height: 300px;
    background: var(--tertiary-color);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 10s infinite alternate;
}

@keyframes pulse {
    0% {
        opacity: 0.2;
        transform: scale(1);
    }
    50% {
        opacity: 0.4;
        transform: scale(1.1);
    }
    100% {
        opacity: 0.2;
        transform: scale(1);
    }
}

/* Section animations */
section {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

section.active {
    opacity: 1;
    transform: translateY(0);
}

/* Skill bar animations */
.skill-progress {
    width: 0;
    transition: width 1.5s ease-in-out;
}

.skill-progress.animate {
    width: var(--width);
}

/* Project card animations */
.project-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.project-card.show {
    opacity: 1;
    transform: translateY(0);
}

/* Cursor animation */
.cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background-color: var(--primary-color);
    margin-left: 2px;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

/* Glitch effect */
.glitch {
    position: relative;
    color: var(--text-color);
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    clip: rect(0, 0, 0, 0);
}

.glitch::before {
    left: 2px;
    text-shadow: -1px 0 var(--primary-color);
    animation: glitch-anim-1 2s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -1px 0 var(--secondary-color);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}

@keyframes glitch-anim-1 {
    0% {
        clip: rect(20px, 9999px, 15px, 0);
    }
    20% {
        clip: rect(42px, 9999px, 78px, 0);
    }
    40% {
        clip: rect(54px, 9999px, 25px, 0);
    }
    60% {
        clip: rect(10px, 9999px, 85px, 0);
    }
    80% {
        clip: rect(95px, 9999px, 5px, 0);
    }
    100% {
        clip: rect(58px, 9999px, 57px, 0);
    }
}

@keyframes glitch-anim-2 {
    0% {
        clip: rect(65px, 9999px, 12px, 0);
    }
    20% {
        clip: rect(25px, 9999px, 35px, 0);
    }
    40% {
        clip: rect(76px, 9999px, 15px, 0);
    }
    60% {
        clip: rect(15px, 9999px, 65px, 0);
    }
    80% {
        clip: rect(45px, 9999px, 35px, 0);
    }
    100% {
        clip: rect(76px, 9999px, 6px, 0);
    }
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-1);
    color: var(--background-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.back-to-top.show {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* Form input focus animations */
.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.5rem;
    background-color: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-color);
    font-size: 1.6rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
}

.form-group label {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-color-light);
    font-size: 1.6rem;
    pointer-events: none;
    transition: var(--transition-fast);
}

.form-group textarea + label {
    top: 1.5rem;
    transform: none;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -1rem;
    left: 1rem;
    font-size: 1.2rem;
    color: var(--primary-color);
    background-color: var(--background-color);
    padding: 0 0.5rem;
}

.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -1rem;
    transform: none;
}

/* ===== HEADER ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 7rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    background-color: rgba(10, 25, 47, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.highlight {
    color: var(--primary-color);
}

nav {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-link {
    position: relative;
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--text-color);
    padding: 0.5rem 0;
}

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

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

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

.nav-icon {
    display: none;
    cursor: pointer;
    width: 3rem;
    height: 2.5rem;
    flex-direction: column;
    justify-content: space-between;
    z-index: 101;
}

.bar {
    width: 100%;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 3px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-icon.active .bar:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}

.nav-icon.active .bar:nth-child(2) {
    opacity: 0;
}

.nav-icon.active .bar:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 7rem;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 5rem;
    width: 90%;
    max-width: 120rem;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 2.4rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.hero-text .name {
    font-size: 6rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 2rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.typing-container {
    display: flex;
    align-items: center;
    font-size: 2.4rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.static-text {
    margin-right: 0.5rem;
    color: var(--text-color-light);
}

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

.hero-buttons {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1.2rem 2.4rem;
    border-radius: 5px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.primary-btn {
    background: var(--gradient-1);
    color: var(--background-color);
    box-shadow: var(--shadow-sm);
}

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

.secondary-btn {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.secondary-btn:hover {
    background-color: rgba(0, 255, 170, 0.1);
    transform: translateY(-3px);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    perspective: 1200px;
}

.code-container {
    background-color: rgba(17, 34, 64, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 255, 170, 0.2);
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 255, 170, 0.12);
    width: 100%;
    max-width: 52rem;
    overflow: hidden;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease;
}

.code-container:hover {
    border-color: rgba(0, 255, 170, 0.45);
    box-shadow: 0 30px 60px -10px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 255, 170, 0.25);
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.6rem;
    background: rgba(10, 25, 47, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.window-controls {
    display: flex;
    gap: 0.8rem;
    align-items: center;
}

.control-dot {
    width: 1.2rem;
    height: 1.2rem;
    border-radius: 50%;
    display: inline-block;
}

.control-dot.close { background-color: #ff5f56; }
.control-dot.minimize { background-color: #ffbd2e; }
.control-dot.maximize { background-color: #27c93f; }

.code-tabs {
    display: flex;
    gap: 0.6rem;
}

.code-tab {
    background: none;
    border: none;
    color: var(--text-color-light);
    font-size: 1.2rem;
    font-family: var(--font-code);
    padding: 0.4rem 1.2rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.code-tab:hover {
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.06);
}

.code-tab.active {
    color: var(--primary-color);
    background: rgba(0, 255, 170, 0.12);
    border: 1px solid rgba(0, 255, 170, 0.25);
}

.code-body {
    display: none;
    padding: 2rem;
}

.code-body.active {
    display: block;
    animation: fadeInCode 0.3s ease;
}

@keyframes fadeInCode {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

code {
    font-family: var(--font-code);
    font-size: 1.4rem;
    line-height: 1.6;
    color: var(--text-color);
    white-space: pre-wrap;
}

.code-keyword {
    color: #ff3e7f;
}

.code-function {
    color: #3a86ff;
}

.code-property {
    color: #00ffaa;
}

.code-string {
    color: #ffaa00;
}

.code-variable {
    color: #e6f1ff;
}

.scroll-indicator {
    position: absolute;
    bottom: 5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.mouse {
    width: 3rem;
    height: 5rem;
    border: 2px solid var(--text-color-light);
    border-radius: 2rem;
    position: relative;
}

.wheel {
    width: 0.6rem;
    height: 0.6rem;
    background-color: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(2rem);
    }
}

.arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.arrow span {
    display: block;
    width: 1rem;
    height: 1rem;
    border-bottom: 2px solid var(--primary-color);
    border-right: 2px solid var(--primary-color);
    transform: rotate(45deg);
    animation: arrow 2s infinite;
}

.arrow span:nth-child(2) {
    animation-delay: 0.2s;
}

.arrow span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes arrow {
    0% {
        opacity: 0;
        transform: rotate(45deg) translate(-0.5rem, -0.5rem);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: rotate(45deg) translate(0.5rem, 0.5rem);
    }
}

/* ===== SECTION STYLES ===== */
.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.underline {
    width: 10rem;
    height: 0.4rem;
    background: var(--gradient-1);
    margin: 0 auto;
    border-radius: 2px;
}

/* ===== ABOUT SECTION ===== */
.about {
    background-color: var(--background-light);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 5rem;
    width: 90%;
    max-width: 120rem;
    margin: 0 auto;
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.image-container {
    position: relative;
    width: 32rem;
    height: 32rem;
    perspective: 1000px;
    transform-style: preserve-3d;
}

.hex-border {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--tertiary-color));
    padding: 0.6rem;
    box-shadow: 0 0 35px rgba(0, 255, 170, 0.35), 0 20px 40px rgba(0, 0, 0, 0.6);
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease;
    animation: profileFloat 6s ease-in-out infinite alternate;
}

.image-container:hover .hex-border {
    transform: scale(1.04) rotate(2deg);
    box-shadow: 0 0 50px rgba(0, 255, 170, 0.6), 0 25px 50px rgba(0, 0, 0, 0.8);
}

.hex-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-image: url('./Professional Portrait in Warm Bokeh.png');
    background-size: cover;
    background-position: center;
    background-color: var(--background-light);
}

@keyframes profileFloat {
    0% { transform: translateY(0); }
    100% { transform: translateY(-12px); }
}

.profile-status-badge {
    position: absolute;
    bottom: 1.5rem;
    right: 0;
    background: rgba(17, 34, 64, 0.95);
    border: 1px solid var(--primary-color);
    padding: 0.8rem 1.6rem;
    border-radius: 20px;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-color);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 255, 170, 0.3);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    backdrop-filter: blur(8px);
    z-index: 10;
    animation: badgeFloat 4s ease-in-out infinite alternate;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--primary-color);
    animation: pulse 1.5s infinite;
}

@keyframes badgeFloat {
    0% { transform: translateY(0); }
    100% { transform: translateY(-6px); }
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.about-text p {
    font-size: 1.6rem;
    color: var(--text-color-light);
    margin-bottom: 2rem;
}

.about-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.detail {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.detail i {
    font-size: 2rem;
    color: var(--primary-color);
}

.detail h4 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.detail p {
    font-size: 1.4rem;
    color: var(--text-color-light);
    margin: 0;
}

/* ===== SKILLS SECTION ===== */
.skills-content {
    width: 90%;
    max-width: 120rem;
    margin: 0 auto;
}

.skills-text {
    text-align: center;
    max-width: 70rem;
    margin: 0 auto 5rem;
}

.skills-text h3 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.skills-text p {
    font-size: 1.6rem;
    color: var(--text-color-light);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 5rem;
    margin-bottom: 5rem;
}

.skill-category h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    color: var(--primary-color);
}

.skill-item {
    margin-bottom: 2.5rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.8rem;
}

.skill-info span {
    font-size: 1.6rem;
}

.skill-info .percentage {
    color: var(--primary-color);
}

.skill-bar {
    height: 1rem;
    background-color: var(--background-light);
    border-radius: 5px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 5px;
}

.tech-icons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 3rem;
    margin-top: 5rem;
}

.tech-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.tech-icon i {
    font-size: 4rem;
    color: var(--primary-color);
}

.tech-icon span {
    font-size: 1.4rem;
}

/* ===== CERTIFICATIONS SECTION ===== */
.certifications {
    background-color: var(--background-light);
}

.certifications-content {
    width: 90%;
    max-width: 120rem;
    margin: 0 auto;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(30rem, 1fr));
    gap: 3rem;
}

.cert-card {
    background-color: var(--background-color);
    border-radius: 10px;
    padding: 3rem;
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
    border: 1px solid var(--border-color);
}

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

.cert-icon {
    width: 6rem;
    height: 6rem;
    min-width: 6rem;
    border-radius: 50%;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--background-color);
}

.cert-info h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.cert-org {
    font-size: 1.4rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 1rem;
}

.cert-desc {
    font-size: 1.4rem;
    color: var(--text-color-light);
    line-height: 1.5;
}

/* Responsive for certifications */
@media (max-width: 768px) {
    .cert-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .cert-icon {
        width: 5rem;
        height: 5rem;
        min-width: 5rem;
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .cert-card {
        padding: 2rem;
    }
    
    .cert-info h3 {
        font-size: 1.6rem;
    }
}

/* ===== PROJECTS SECTION ===== */
.projects {
    background-color: var(--background-light);
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 1rem 2rem;
    background-color: transparent;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--text-color-light);
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--background-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(35rem, 1fr));
    gap: 3rem;
    width: 90%;
    max-width: 120rem;
    margin: 0 auto;
}

.project-card {
    background-color: var(--background-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-img {
    width: 100%;
    height: 25rem;
    overflow: hidden;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform var(--transition-fast);
}

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

.project-img-placeholder {
    background: linear-gradient(135deg, var(--background-light) 0%, rgba(0, 255, 170, 0.08) 50%, rgba(58, 134, 255, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-img-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(0, 255, 170, 0.05) 0%, transparent 70%);
}

.placeholder-icon {
    font-size: 6rem;
    color: var(--primary-color);
    opacity: 0.5;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    z-index: 1;
}

.project-card:hover .placeholder-icon {
    opacity: 0.85;
    transform: scale(1.1);
}


.project-content {
    padding: 2.5rem;
}


.project-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.project-description {
    font-size: 1.5rem;
    color: var(--text-color-light);
    margin-bottom: 2rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.project-tech span {
    padding: 0.5rem 1rem;
    background-color: rgba(0, 255, 170, 0.1);
    border-radius: 5px;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.project-links {
    display: flex;
    gap: 2rem;
}

.project-link {
    font-size: 1.4rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

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

/* ===== CONTACT SECTION ===== */
.contact-content {
    display: flex;
    gap: 5rem;
    width: 90%;
    max-width: 120rem;
    margin: 0 auto;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.contact-info > p {
    font-size: 1.6rem;
    color: var(--text-color-light);
    margin-bottom: 3rem;
}

.contact-details {
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
}

.contact-item h4 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-item p {
    font-size: 1.4rem;
    color: var(--text-color-light);
}

.social-links {
    display: flex;
    gap: 2rem;
}

.social-link {
    width: 5rem;
    height: 5rem;
    border-radius: 50%;
    background-color: var(--background-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-color);
    transition: var(--transition-fast);
}

.social-link:hover {
    background-color: var(--primary-color);
    color: var(--background-color);
    transform: translateY(-5px);
}

.contact-form-container {
    flex: 1;
}

.contact-form {
    background-color: var(--background-light);
    padding: 3rem;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--background-light);
    padding: 5rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 120rem;
    margin: 0 auto 3rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo .logo-text {
    font-size: 2rem;
}

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-links a {
    font-size: 1.4rem;
    color: var(--text-color-light);
}

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

.footer-social {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    font-size: 1.4rem;
    color: var(--text-color-light);
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column-reverse;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-text .name {
        font-size: 4.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .code-container {
        max-width: 100%;
    }
    
    .about-content {
        flex-direction: column;
        text-align: center;
    }
    
    .about-details {
        justify-content: center;
    }
    
    .detail {
        justify-content: center;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .contact-info, .contact-form-container {
        text-align: center;
    }
    
    .contact-item {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile (up to 768px) */
@media (max-width: 768px) {
    html {
        font-size: 55%;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--background-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 3rem;
        transition: right 0.3s ease;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-icon {
        display: flex;
    }
    
    .hero {
        padding-top: 8rem;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-text .name {
        font-size: 3.5rem;
    }
    
    .typing-container {
        font-size: 1.8rem;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    .image-container {
        width: 22rem;
        height: 22rem;
    }
    
    .about-text h3 {
        font-size: 2.4rem;
    }
    
    .about-details {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-filter {
        gap: 1rem;
    }
    
    .filter-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1.4rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.5rem;
    }
}

/* Small Mobile (up to 480px) */
@media (max-width: 480px) {
    html {
        font-size: 50%;
    }
    
    header {
        padding: 0 3%;
    }
    
    .hero-text .name {
        font-size: 2.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .code-container {
        padding: 1.5rem;
    }
    
    code {
        font-size: 1.2rem;
    }
    
    .image-container {
        width: 18rem;
        height: 18rem;
    }
    
    .tech-icons {
        gap: 2rem;
    }
    
    .tech-icon i {
        font-size: 3rem;
    }
    
    .contact-form {
        padding: 2rem;
    }
    
    .social-link {
        width: 4.5rem;
        height: 4.5rem;
        font-size: 1.8rem;
    }
    
    .footer-links a {
        font-size: 1.2rem;
    }
}

/* Large Desktop (1400px+) */
@media (min-width: 1400px) {
    .container {
        max-width: 130rem;
    }
    
    .hero-text .name {
        font-size: 7rem;
    }
    
    .section-title {
        font-size: 4.5rem;
    }
    
    .about-text h3 {
        font-size: 3.5rem;
    }
}

/* ===================================================
   ===== MODERN INTERACTIVE UI & ANIMATIONS =====
   =================================================== */

/* Header scrolled blur & lighting */
header {
    transition: background-color 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
    border-bottom: 1px solid transparent;
}

header.scrolled {
    background-color: rgba(10, 25, 47, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 10px 30px -10px rgba(2, 12, 27, 0.7);
    border-bottom: 1px solid rgba(0, 255, 170, 0.15);
}

.nav-link.active {
    color: var(--primary-color) !important;
}

.nav-link.active::after {
    width: 100% !important;
}

/* Custom Interactive Cursor & Glow Follower */
.custom-cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
    transition: width 0.2s ease, height 0.2s ease, background-color 0.2s ease;
    box-shadow: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color);
}

.cursor-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 36px;
    height: 36px;
    border: 1.5px solid rgba(0, 255, 170, 0.45);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99998;
    transform: translate(-50%, -50%);
    transition: width 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), 
                height 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), 
                border-color 0.25s ease, 
                background-color 0.25s ease;
    background: rgba(0, 255, 170, 0.03);
}

.custom-cursor.hovered {
    width: 14px;
    height: 14px;
    background-color: var(--secondary-color);
    box-shadow: 0 0 15px var(--secondary-color);
}

.cursor-glow.hovered {
    width: 56px;
    height: 56px;
    border-color: rgba(255, 62, 127, 0.7);
    background: rgba(255, 62, 127, 0.08);
}

@media (pointer: coarse), (max-width: 900px) {
    .custom-cursor, .cursor-glow {
        display: none !important;
    }
}

/* Interactive Particles Canvas */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.55;
}

/* Glassmorphism & Modern Shimmer on Project Cards */
.project-card {
    background: rgba(17, 34, 64, 0.7) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    transform-style: preserve-3d;
    perspective: 1000px;
    transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1), 
                box-shadow 0.35s ease, 
                border-color 0.35s ease;
}

.project-card:hover {
    border-color: rgba(0, 255, 170, 0.35);
    box-shadow: 0 20px 40px -15px rgba(0, 255, 170, 0.2), 0 0 25px rgba(0, 255, 170, 0.08);
}

/* Image shine sweep effect on hover */
.project-img {
    position: relative;
    overflow: hidden;
}

.project-img::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -100%;
    width: 60%;
    height: 200%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.18) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(30deg);
    transition: transform 0.75s ease;
    pointer-events: none;
    opacity: 0;
}

.project-card:hover .project-img::after {
    opacity: 1;
    transform: rotate(30deg) translate(300%, 0);
}

.project-tech span {
    background-color: rgba(0, 255, 170, 0.08);
    border: 1px solid rgba(0, 255, 170, 0.2);
    transition: all 0.25s ease;
}

.project-tech span:hover {
    background-color: rgba(0, 255, 170, 0.22);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 255, 170, 0.25);
}

.project-link {
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.project-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 170, 0.35);
}

/* Enhanced Certifications Card */
.cert-card {
    background: rgba(17, 34, 64, 0.6) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1), 
                box-shadow 0.35s ease, 
                border-color 0.35s ease;
}

.cert-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 255, 170, 0.4);
    box-shadow: 0 15px 35px -10px rgba(0, 255, 170, 0.2);
}

.cert-card:hover .cert-icon {
    transform: rotate(8deg) scale(1.1);
    box-shadow: 0 0 20px rgba(0, 255, 170, 0.4);
}

/* Location Pulse Indicator */
.location-pulse {
    display: inline-block;
    width: 9px;
    height: 9px;
    background-color: var(--primary-color);
    border-radius: 50%;
    margin-left: 8px;
    vertical-align: middle;
    position: relative;
    box-shadow: 0 0 8px var(--primary-color);
}

.location-pulse::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 1.5px solid var(--primary-color);
    animation: pulseRing 1.8s infinite cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes pulseRing {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(2.4); opacity: 0; }
}

/* Interactive Contact Item */
.interactive-contact {
    cursor: pointer;
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.interactive-contact:hover {
    background: rgba(0, 255, 170, 0.08);
    border-color: rgba(0, 255, 170, 0.25);
    transform: translateX(5px);
}

.interactive-contact a {
    color: var(--text-color-light);
    transition: color 0.2s ease;
}

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

/* Toast alert notification */
.toast-notice {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: rgba(17, 34, 64, 0.95);
    border: 1px solid var(--primary-color);
    color: var(--text-color);
    padding: 1.2rem 2.2rem;
    border-radius: 8px;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 255, 170, 0.2);
    z-index: 100000;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    backdrop-filter: blur(8px);
}

.toast-notice.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-notice i {
    color: var(--primary-color);
    font-size: 1.8rem;
}

/* Button click ripple effect */
.btn {
    position: relative;
    overflow: hidden;
}

.btn-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: rippleEffect 0.6s linear;
    pointer-events: none;
}

@keyframes rippleEffect {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Floating 3D badges around hero terminal */
.floating-badge {
    position: absolute;
    background: rgba(17, 34, 64, 0.92);
    border: 1px solid rgba(0, 255, 170, 0.35);
    color: var(--text-color);
    padding: 0.8rem 1.6rem;
    border-radius: 30px;
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 255, 170, 0.2);
    backdrop-filter: blur(10px);
    z-index: 10;
    pointer-events: none;
    transition: transform 0.3s ease;
}

.floating-badge i {
    color: var(--primary-color);
}

.badge-1 {
    top: -2rem;
    left: -2rem;
    animation: floatBadge1 5s ease-in-out infinite alternate;
}

.badge-2 {
    bottom: -2rem;
    left: 2rem;
    animation: floatBadge2 6s ease-in-out infinite alternate;
}

.badge-3 {
    top: 40%;
    right: -3rem;
    animation: floatBadge3 7s ease-in-out infinite alternate;
}

@keyframes floatBadge1 {
    0% { transform: translateY(0) rotate(-3deg); }
    100% { transform: translateY(-14px) rotate(2deg); }
}

@keyframes floatBadge2 {
    0% { transform: translateY(0) rotate(2deg); }
    100% { transform: translateY(12px) rotate(-3deg); }
}

@keyframes floatBadge3 {
    0% { transform: translateY(0) rotate(-2deg); }
    100% { transform: translateY(-10px) rotate(3deg); }
}

@media (max-width: 768px) {
    .floating-badge {
        display: none;
    }
}

/* About stats counter */
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2.5rem 0;
}

.stat-card {
    background: rgba(17, 34, 64, 0.65);
    border: 1px solid rgba(0, 255, 170, 0.2);
    border-radius: 12px;
    padding: 1.6rem 1.2rem;
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(8px);
}

.stat-card:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: var(--primary-color);
    box-shadow: 0 12px 30px rgba(0, 255, 170, 0.2);
}

.stat-num-container {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.5rem;
    font-family: var(--font-code);
}

.stat-label {
    font-size: 1.3rem;
    color: var(--text-color-light);
    font-weight: 500;
}

@media (max-width: 600px) {
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
}

/* 3D Multi-Layer Popout on Project Cards */
.project-card {
    transform-style: preserve-3d !important;
}

.project-card .project-img {
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    transform-style: preserve-3d;
}

.project-card:hover .project-img {
    transform: translateZ(32px) scale(1.02);
}

.project-card .project-content {
    transform-style: preserve-3d;
}

.project-card:hover .project-title {
    transform: translateZ(24px);
    color: var(--primary-color);
    transition: transform 0.4s ease, color 0.3s ease;
}

.project-card:hover .project-description {
    transform: translateZ(16px);
    transition: transform 0.4s ease;
}

.project-card:hover .project-tech {
    transform: translateZ(20px);
    transition: transform 0.4s ease;
}

.project-card:hover .project-links {
    transform: translateZ(28px);
    transition: transform 0.4s ease;
}

/* Tech icons 3D lift in Skills section */
.tech-icon {
    transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}

.tech-icon:hover {
    transform: translateY(-8px) scale(1.08) rotate(3deg);
    box-shadow: 0 10px 25px rgba(0, 255, 170, 0.25);
    border-color: var(--primary-color);
}