/* 
========================================
   Variables & Theme Setup
========================================
*/
:root {
    /* Colors */
    --bg-dark: #0a0a0f;
    --bg-darker: #050507;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.08);

    --primary: #6366f1;
    /* Indigo */
    --primary-glow: rgba(99, 102, 241, 0.5);
    --secondary: #ec4899;
    /* Pink */
    --accent: #06b6d4;
    /* Cyan */

    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-light: #d1d5db;

    /* Gradients */
    --gradient-main: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-text: linear-gradient(to right, var(--primary), var(--secondary), var(--accent));

    /* Layout */
    --container-width: 1200px;
    --nav-height: 70px;

    /* Effects */
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 
========================================
   Global Reset & Typography
========================================
*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Particle canvas background */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -2;
    background-color: var(--bg-dark);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Space Grotesk', sans-serif;
    color: var(--text-main);
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

/* 
========================================
   Utility Classes
========================================
*/
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

.gradient-text {
    background: var(--gradient-text);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-main);
    margin: 0 auto;
    border-radius: 2px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-main);
    color: white;
    border: none;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 35px var(--primary-glow);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--text-main);
    margin-left: 1rem;
}

.btn-outline:hover {
    background: rgba(99, 102, 241, 0.15);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

/* 
========================================
   Navbar
========================================
*/
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: var(--glass-border);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 500;
}

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

.nav-link.active {
    color: var(--primary);
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-main);
    border-radius: 2px;
}

.btn-contact {
    padding: 8px 20px;
    border: 1px solid var(--primary);
    border-radius: 4px;
    color: var(--primary);
}

.btn-contact:hover {
    background: var(--primary);
    color: white;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    -webkit-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
    background-color: var(--text-main);
}

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

/* Abstract Background Elements */
.hero-bg-overlay {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(10, 10, 15, 0) 70%);
    border-radius: 50%;
    z-index: -1;
    filter: blur(60px);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    align-items: center;
}

.tagline {
    display: inline-block;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--accent);
    font-size: 1rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 600;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-btns {
    margin-bottom: 3rem;
}

.tech-stack-icons {
    display: flex;
    gap: 1.5rem;
    color: var(--text-muted);
    font-size: 1.5rem;
}

.tech-stack-icons i {
    transition: var(--transition);
}

.tech-stack-icons i:hover {
    color: var(--primary);
    transform: translateY(-3px) rotate(5deg);
    filter: drop-shadow(0 0 10px var(--primary-glow));
}

/* Hero Subtitle & Typed Text Effect */
.hero-content .subtitle {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    min-height: 60px;
}

.typed-text {
    color: var(--accent);
}

.cursor {
    display: inline-block;
    color: var(--secondary);
    animation: blink 0.7s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.hero-image-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.glow-circle {
    position: absolute;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0.2;
    filter: blur(40px);
    animation: pulse 5s infinite alternate, float 6s ease-in-out infinite;
}

.ai-brain-visual {
    position: relative;
    font-size: 180px;
    color: rgba(255, 255, 255, 0.1);
    z-index: 2;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.2);
    animation: float 6s ease-in-out infinite;
    transition: var(--transition);
}

.ai-brain-visual:hover {
    transform: scale(1.05);
    box-shadow: 0 0 50px rgba(99, 102, 241, 0.4);
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

/* 
========================================
   About Section
========================================
*/
.about {
    padding: 100px 0;
    background: var(--bg-darker);
}

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

.about-card {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 20px;
    border: var(--glass-border);
    max-width: 800px;
    text-align: center;
}

.about-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.about-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.about-card strong {
    color: var(--primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary);
    font-family: 'Space Grotesk', sans-serif;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

/* 
========================================
   Skills Section
========================================
*/
.skills {
    padding: 100px 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    border: var(--glass-border);
    transition: var(--transition);
}

.skill-category:hover {
    background: var(--bg-card-hover);
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.skill-category h3 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.skill-category h3 i {
    color: var(--accent);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tags span {
    background: rgba(255, 255, 255, 0.05);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.skill-tags span:hover {
    background: rgba(99, 102, 241, 0.3);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* 
========================================
   Projects Section
========================================
*/
.projects {
    padding: 100px 0;
    background: var(--bg-darker);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--bg-card);
    border-radius: 15px;
    overflow: hidden;
    border: var(--glass-border);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.2);
}

.project-img {
    height: 200px;
    overflow: hidden;
}

.img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

.gradient-1 {
    background: linear-gradient(45deg, #FF512F, #DD2476);
}

.gradient-2 {
    background: linear-gradient(45deg, #1fa2ff, #12d8fa, #a6ffcb);
    color: #000;
}

.gradient-3 {
    background: linear-gradient(45deg, #834d9b, #d04ed6);
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

.project-info p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.2rem;
    line-height: 1.5;
}

.project-tags {
    display: flex;
    gap: 10px;
    margin-bottom: 1.5rem;
}

.project-tags span {
    font-size: 0.8rem;
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.btn-sm {
    font-size: 0.9rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 5px;
}

.btn-sm:hover {
    color: var(--primary);
    transform: translateX(3px);
}

.btn-sm i {
    transition: var(--transition);
}

.btn-sm:hover i {
    transform: scale(1.2);
}

/* 
========================================
   Contact Section
========================================
*/
.contact {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.15) 0%, rgba(10, 10, 15, 0) 70%);
    border-radius: 50%;
    z-index: -1;
    filter: blur(60px);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.detail-item i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    color: var(--primary);
}

.social-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    color: var(--text-main);
    font-size: 1.2rem;
    border: 1px solid transparent;
}

.social-links a:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    transform: translateY(-3px);
}

.contact-form {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 20px;
    border: var(--glass-border);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

/* 
========================================
   Footer
========================================
*/
footer {
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: var(--bg-dark);
}

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

/* 
========================================
   Animations and Mobile
========================================
*/
@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.2;
    }

    100% {
        transform: scale(1.1);
        opacity: 0.3;
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes float {

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

    50% {
        transform: translateY(-20px);
    }
}

/* Response Design */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 3rem;
    }

    .hero-image-container {
        display: none;
    }

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

    .hero-description {
        margin: 0 auto 2.5rem;
    }

    .tech-stack-icons {
        justify-content: center;
    }

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

@media (max-width: 768px) {
    .navbar .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-dark);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .navbar .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: 1.5rem 0;
    }

    .hamburger {
        display: block;
    }

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

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

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

    /* Hero section improvements for mobile */
    .hero-btns {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }

    .btn-outline {
        margin-left: 0;
    }

    .hero-content .subtitle {
        font-size: 1.5rem;
        min-height: 50px;
    }

    /* Contact section improvements for mobile */
    .contact-info {
        text-align: center;
    }

    .contact-info h2 {
        font-size: 2rem;
    }

    .detail-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .social-links {
        justify-content: center;
    }

    /* Projects grid better spacing */
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* Skills grid better spacing */
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .section-header h2 {
        font-size: 2rem;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .btn {
        padding: 10px 20px;
    }

    /* Additional small screen improvements */
    .hero-description {
        font-size: 1rem;
        padding: 0 10px;
    }

    .hero-content .subtitle {
        font-size: 1.2rem;
    }

    .hero-btns {
        max-width: 250px;
    }

    .about-card {
        padding: 2rem 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .contact-info h2 {
        font-size: 1.8rem;
    }

    .detail-item {
        font-size: 0.95rem;
    }

    .social-links a {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    /* Better padding for sections */
    .about,
    .skills,
    .projects,
    .contact {
        padding: 60px 0;
    }
}