/* Global Styles */
:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --hover-shadow: 0 10px 30px -10px rgba(56, 189, 248, 0.3);
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

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

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    margin: 10px auto 0;
    border-radius: 2px;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: var(--glass-border);
    padding: 1rem 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo .accent {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-color);
}

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

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.9)), url('../img/cover.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text .greeting {
    display: block;
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-text h2 {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.hero-text p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--hover-shadow);
}

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

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

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

.social-hero a {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.social-hero a:hover {
    color: var(--accent-color);
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    position: relative;
}

.image-wrapper {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--accent-color);
    box-shadow: 0 0 50px rgba(56, 189, 248, 0.2);
    position: relative;
    z-index: 1;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
    margin-top: 2rem;
}

.skill-tag {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

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

.project-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    border: var(--glass-border);
    transition: transform 0.3s ease;
    backdrop-filter: blur(5px);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
    border-color: var(--accent-color);
}

.project-content h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.tech-stack {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-stack span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
}

.project-links a {
    font-size: 0.9rem;
    color: var(--accent-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.blog-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: var(--glass-border);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
}

.blog-image {
    height: 200px;
    width: 100%;
    object-fit: cover;
}

.blog-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.blog-content .date {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: block;
}

.blog-content .read-more {
    margin-top: auto;
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.center-btn {
    text-align: center;
    margin-top: 3rem;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-left-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

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

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 20px;
    border: var(--glass-border);
}

.info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-top: 0.2rem;
}

.info-item h4 {
    margin-bottom: 0.2rem;
    font-size: 1.1rem;
}

.info-item p,
.info-item a {
    color: var(--text-secondary);
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 8px;
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Footer */
footer {
    padding: 2rem 0;
    border-top: var(--glass-border);
    margin-top: 4rem;
    text-align: center;
    color: var(--text-secondary);
}

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

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

.social-footer a {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

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


/* Experience Section */
.experience-list {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 2rem;
}

.experience-list::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-color), transparent);
}

.experience-item {
    position: relative;
    padding-left: 2rem;
    padding-bottom: 3rem;
}

.experience-item::after {
    content: '';
    position: absolute;
    left: -2.6rem;
    top: 0;
    width: 1rem;
    height: 1rem;
    background: var(--bg-color);
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    transition: all 0.3s ease;
    z-index: 1;
}

.experience-item:hover::after {
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
}

.experience-card {
    background: var(--card-bg);
    border: var(--glass-border);
    border-radius: 12px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(5px);
}

.experience-card:hover {
    transform: translateX(10px);
    box-shadow: var(--hover-shadow);
    border-color: var(--accent-color);
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.exp-role {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.exp-company {
    color: var(--accent-color);
    font-weight: 600;
}

.exp-duration,
.exp-location {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.exp-desc {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-style: italic;
}

.exp-achievements {
    list-style: none;
    margin-top: 1rem;
}

.exp-achievements li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.exp-achievements li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.exp-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}


/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 2rem 0;
        text-align: center;
        border-bottom: var(--glass-border);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }

    .nav-links.active {
        display: flex;
    }

    .logo {
        font-size: 1.0rem;
    }

    .hamburger {
        display: block;
        color: var(--text-primary);
    }

    .hamburger.active i::before {
        content: "\f00d";
        /* FontAwesome 'times' icon */
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-image {
        order: -1;
    }

    .image-wrapper {
        width: 250px;
        height: 250px;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .cta-buttons {
        justify-content: center;
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        padding: 2rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Experience Section */
.experience-list {
    display: grid;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.experience-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    border: var(--glass-border);
    transition: transform 0.3s ease;
    backdrop-filter: blur(5px);
}

.experience-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
    border-color: var(--accent-color);
}

.job-header h3 {
    font-size: 1.4rem;
    margin-bottom: 0.2rem;
    color: var(--text-primary);
}

.job-header h4 {
    font-size: 1.1rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.job-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.job-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.job-meta i {
    color: var(--accent-color);
}

.job-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}