/* Base Styles */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --text-color: #ecf0f1;
    --bg-color: #1a1a1a;
    --card-bg: #2d2d2d;
    --border-color: #444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-bottom: 20px;
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #2980b9;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

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

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

.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

header.scrolled {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
}

.logo span {
    color: var(--primary-color);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
    position: relative;
}

nav ul li a:hover {
    color: var(--primary-color);
}

nav ul li a.active {
    color: var(--primary-color);
}

nav ul li a.active:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://www.nabinghimire1.com.np/Images/background.avif');
    background-size: cover;
    background-position: center;
    position: relative;
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
}

.hero-btns {
    display: flex;
    gap: 15px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    align-items: center;
}

.about-img {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.about-img img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

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

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.about-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.detail-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--primary-color);
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.skill-item {
    margin-bottom: 25px;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.skill-bar {
    height: 10px;
    background-color: #444;
    border-radius: 5px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 5px;
    transition: width 1s ease;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    text-align: center;
    padding: 40px 20px;
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* Portfolio Section */
.portfolio-filters {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    padding: 8px 20px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

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

.portfolio-item {
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    height: 300px;
}

.portfolio-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(52, 152, 219, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.5s ease;
    padding: 20px;
    text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover .portfolio-img {
    transform: scale(1.1);
}

.portfolio-overlay h3 {
    color: white;
    margin-bottom: 10px;
}

.portfolio-overlay p {
    color: white;
    margin-bottom: 20px;
}

/* Testimonials Section */
.testimonials-container {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-item {
    text-align: center;
    padding: 40px;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 30px;
    font-size: 1.2rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.author-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

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

.author-info h4 {
    margin-bottom: 5px;
}

.author-info p {
    margin: 0;
    color: #aaa;
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 5px;
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.form-control {
    width: 100%;
    padding: 15px;
    background-color: #333;
    border: 1px solid #444;
    border-radius: 4px;
    color: var(--text-color);
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: #111;
    padding: 70px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.footer-col h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
}

.footer-col h3:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-col p {
    margin-bottom: 20px;
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #333;
    border-radius: 50%;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    color: #777;
    font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 992px) {

    .about-content,
    .skills-container,
    .services-grid,
    .portfolio-grid,
    .contact-container,
    .footer-content {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    nav {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 80%;
        height: calc(100vh - 80px);
        background-color: var(--bg-color);
        transition: right 0.3s ease;
        padding: 30px;
    }

    nav.active {
        right: 0;
    }

    nav ul {
        flex-direction: column;
    }

    nav ul li {
        margin: 15px 0;
    }

    .hero-btns {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-btns .btn {
        width: 100%;
        text-align: center;
        margin-bottom: 10px;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }
}

/* Page-specific styles */
.page {
    display: none;
    padding-top: 100px;
}

.page.active {
    display: block;
}

.page-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('https://images.unsplash.com/photo-1517077304055-6e89abbf09b0?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2069&q=80');
    background-size: cover;
    background-position: center;
    padding: 150px 0 100px;
    text-align: center;
}

.page-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.page-hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 30px;
}

/* Resume Page Styles */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline:before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: var(--primary-color);
}

.timeline-item {
    margin-bottom: 50px;
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: calc(50% + 30px);
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: calc(50% + 30px);
    margin-right: 0;
}

.timeline-dot {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background-color: var(--primary-color);
    border-radius: 50%;
    z-index: 1;
}

.timeline-content {
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.timeline-date {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
}

/* Blog Page Styles */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.blog-card {
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--card-bg);
    transition: transform 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-10px);
}

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

.blog-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-img img {
    transform: scale(1.1);
}

.blog-content {
    padding: 25px;
}

.blog-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: #aaa;
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.blog-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.blog-content p {
    margin-bottom: 20px;
    font-size: 1rem;
}

/* Contact Page Styles */
.contact-page .contact-container {
    grid-template-columns: 1fr 2fr;
}

.map-container {
    height: 400px;
    margin-top: 50px;
    border-radius: 8px;
    overflow: hidden;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}