/* style.css - Modern Sky & Slate Theme with Dark Mode */
:root {
    /* Light Mode Colors - Sky & Slate */
    --primary-color: #0284C7;
    /* Rich Sky Blue */
    --secondary-color: #64748B;
    /* Slate 500 */
    --accent-color: #0EA5E9;
    /* Sky 500 */
    --text-color: #334155;
    /* Slate 700 */
    --bg-color: #F8FAFC;
    /* Slate 50 */
    --surface-color: #FFFFFF;
    /* White */
    --border-color: #E2E8F0;
    /* Slate 200 */
    --shadow-color: rgba(2, 132, 199, 0.1);
    --overlay-color: rgba(15, 23, 42, 0.6);

    /* Dark Mode Colors - Cosmic Dark */
    --dark-primary-color: #38BDF8;
    --dark-secondary-color: #94A3B8;
    --dark-accent-color: #7DD3FC;
    --dark-text-color: #F8FAFC;
    --dark-bg-color: #000000;
    /* Deep Black */
    --dark-surface-color: #0F172A;
    /* Deep Navy */
    --dark-border-color: #1E293B;
    --dark-shadow-color: rgba(0, 0, 0, 0.5);
    --dark-overlay-color: rgba(0, 0, 0, 0.8);

    /* Gradients */
    --primary-gradient: linear-gradient(135deg, #2563EB 0%, #2DD4BF 100%);
}

/* Default Light Mode */
[data-theme="light"] {
    --primary: var(--primary-color);
    --secondary: var(--secondary-color);
    --accent: var(--accent-color);
    --text: var(--text-color);
    --bg: var(--bg-color);
    --surface: var(--surface-color);
    --border: var(--border-color);
    --shadow: var(--shadow-color);
    --overlay: var(--overlay-color);
}

/* Dark Mode */
[data-theme="dark"] {
    --primary: var(--dark-primary-color);
    --secondary: var(--dark-secondary-color);
    --accent: var(--dark-accent-color);
    --text: var(--dark-text-color);
    --bg: var(--dark-bg-color);
    --surface: var(--dark-surface-color);
    --border: var(--dark-border-color);
    --shadow: var(--dark-shadow-color);
    --overlay: var(--dark-overlay-color);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary);
    color: var(--bg);
    padding: 8px;
    text-decoration: none;
    z-index: 10000;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 6px;
}

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

/* Navigation */
header {
    background: var(--surface);
    box-shadow: 0 2px 20px var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.nav {
    padding: 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h3 {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: none;
    border: 2px solid var(--border);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    border-color: var(--primary);
    transform: rotate(30deg);
    box-shadow: 0 4px 12px var(--shadow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    margin: 3px 0;
    transition: 0.3s;
    transform-origin: center;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, var(--surface) 0%, var(--bg) 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#particleCanvas {
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.greeting {
    display: block;
    font-weight: 300;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

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

.hero-description {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: 2.5rem;
    color: var(--secondary);
    font-weight: 300;
    line-height: 1.6;
}

.typing-text {
    color: var(--primary);
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 0;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.primary-btn {
    background: var(--primary);
    background-image: var(--primary-gradient);
    color: white;
    border: none;
    position: relative;
    z-index: 1;
}

[data-theme="light"] .primary-btn {
    background-image: none;
    background-color: var(--primary);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--shadow);
    opacity: 0.9;
}

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

.secondary-btn:hover {
    background: var(--primary);
    color: var(--bg);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--shadow);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--secondary);
    position: relative;
    animation: bounce 2s infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: -3px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--secondary);
    border-bottom: 2px solid var(--secondary);
    transform: rotate(45deg);
}

@keyframes bounce {

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

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

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

/* Sections */
.section {
    padding: 6rem 0;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 4rem;
    color: var(--primary);
    position: relative;
    font-weight: 300;
    letter-spacing: -0.5px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: var(--primary);
}

/* About Section */
#about {
    background: var(--bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: start;
}

.about-image {
    position: relative;
}

.image-container {
    position: relative;
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 20px 40px var(--shadow);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.about-image:hover img {
    filter: grayscale(0%);
}

.image-overlay {
    position: absolute;
    bottom: 0;
    right: 0;
    top: auto;
    left: auto;
}

.experience-badge {
    background: var(--primary);
    color: var(--bg);
    padding: 0.75rem 1rem;
    border-radius: 0;
    text-align: center;
    box-shadow: 0 10px 25px var(--shadow);
}

.years {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-header h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-weight: 400;
}

.about-header h4 {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: var(--secondary);
    font-weight: 300;
}

.about-header h4 strong {
    color: var(--primary);
    font-weight: 600;
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2.5rem;
    color: var(--secondary);
}

.info-table {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 2rem;
    margin-bottom: 2.5rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

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

.info-label {
    font-weight: 500;
    color: var(--text);
}

.info-value {
    color: var(--text);
    text-align: right;
}

.available {
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: var(--surface);
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--primary);
}

.skills-preview {
    margin-bottom: 2.5rem;
}

.skills-preview h5 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    background: var(--surface);
    color: var(--text);
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 0;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--primary);
    color: var(--bg);
    transform: translateY(-2px);
}

.about-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* Services Section */
#services {
    background: var(--surface);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: var(--bg);
    padding: 3rem 2rem;
    border-radius: 0;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--overlay), transparent);
    transition: left 0.6s ease;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px var(--shadow);
    border-color: var(--primary);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    filter: grayscale(100%);
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    filter: grayscale(0%);
    transform: scale(1.1);
}

.service-card h3 {
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-weight: 500;
    font-size: 1.4rem;
}

.service-card p {
    color: var(--secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Resume Section */
#resume {
    background: var(--bg);
}

.resume-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.resume-column h3 {
    color: var(--primary);
    margin-bottom: 2.5rem;
    font-size: 1.5rem;
    font-weight: 400;
    position: relative;
    padding-bottom: 1rem;
}

.resume-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--primary);
}

.timeline {
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: 8px;
    top: 0;
    width: 16px;
    height: 16px;
    border: 3px solid var(--primary);
    background: var(--bg);
    border-radius: 50%;
    z-index: 2;
}

.timeline-content {
    background: var(--surface);
    padding: 2rem;
    border: 1px solid var(--border);
    position: relative;
}

.timeline-content h4 {
    color: var(--text);
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 1.2rem;
}

.date {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 0.5rem;
}

.institution {
    color: var(--secondary);
    font-weight: 500;
    margin-bottom: 0.75rem;
}

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

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

.achievements li {
    padding: 0.25rem 0;
    color: var(--text);
    position: relative;
    padding-left: 1.5rem;
}

.achievements li::before {
    content: '•';
    position: absolute;
    left: 0.5rem;
    color: var(--primary);
    font-weight: bold;
}

/* Works Section */
#works {
    background: var(--surface);
}

.works-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text);
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    font-size: 0.9rem;
}

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

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.work-card {
    background: var(--bg);
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    opacity: 1;
    transform: translateY(0);
}

.work-card.hidden {
    display: none;
}

.work-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px var(--shadow);
    border-color: var(--primary);
}

.work-image {
    position: relative;
    overflow: hidden;
}

.work-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    filter: grayscale(100%);
    transition: all 0.3s ease;
}

.work-card:hover .work-image img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.work-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.work-actions {
    display: flex;
    gap: 1rem;
}

.work-link {
    background: var(--bg);
    color: var(--primary);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid var(--primary);
}

.work-link:hover {
    background: var(--primary);
    color: var(--bg);
    transform: scale(1.1);
}

.work-info {
    padding: 2rem;
}

.work-info h3 {
    margin-bottom: 1rem;
    color: var(--primary);
    font-weight: 500;
    font-size: 1.3rem;
}

.work-info p {
    color: var(--secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.work-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.work-tech span {
    background: var(--surface);
    color: var(--text);
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 0;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Blog Section */
#blog {
    background: var(--bg);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.blog-card {
    background: var(--bg);
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px var(--shadow);
    border-color: var(--primary);
}

.blog-image {
    position: relative;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    filter: grayscale(100%);
    transition: all 0.3s ease;
}

.blog-card:hover .blog-image img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.blog-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--primary);
    color: var(--bg);
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.blog-content {
    padding: 2rem;
}

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

.blog-date,
.blog-read-time {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.blog-content h3 {
    margin-bottom: 1rem;
    color: var(--text);
    font-weight: 500;
    font-size: 1.3rem;
    line-height: 1.4;
}

.blog-content p {
    color: var(--secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.read-more {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--secondary);
    gap: 0.75rem;
}

/* Contact Section */
#contact {
    background: var(--surface);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    margin-bottom: 1rem;
    color: var(--primary);
    font-weight: 400;
    font-size: 1.8rem;
}

.contact-info>p {
    color: var(--secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
    font-size: 1.1rem;
}

.contact-details {
    margin: 2.5rem 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
}

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

.contact-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border: 2px solid var(--border);
}

.contact-text strong {
    display: block;
    color: var(--primary);
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-text a,
.contact-text span {
    color: var(--text);
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

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

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

.social-link {
    color: var(--primary);
    text-decoration: none;
    padding: 1rem 1.5rem;
    border: 2px solid var(--primary);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    font-weight: 500;
}

.social-link:hover {
    background: var(--primary);
    color: var(--bg);
    transform: translateY(-2px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.5rem 1rem 0.5rem;
    border: 2px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-size: 1rem;
    transition: all 0.3s ease;
    resize: vertical;
}

.form-group textarea {
    min-height: 120px;
}

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--secondary);
    transition: all 0.3s ease;
    pointer-events: none;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--shadow);
}

.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: 0.5rem;
    left: 1rem;
    font-size: 0.8rem;
    color: var(--primary);
}

/* Footer */
footer {
    background: var(--surface);
    color: var(--text);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand h3 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--secondary);
    font-size: 0.9rem;
}

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

.footer-links a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--secondary);
    font-size: 0.9rem;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--primary);
    color: var(--bg);
    border: 2px solid var(--primary);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    cursor: pointer;
    font-size: 1.2rem;
}

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

.back-to-top:hover {
    background: transparent;
    color: var(--primary);
    transform: translateY(-5px);
}

/* Notification */
.notification {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: var(--primary);
    color: var(--bg);
    padding: 1rem 2rem;
    border-radius: 0;
    box-shadow: 0 10px 30px var(--shadow);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 10000;
    border: 1px solid var(--border);
    max-width: 300px;
}

.notification.show {
    transform: translateX(0);
}

/* Mobile Responsive */
@media (max-width: 1024px) {

    .about-content,
    .resume-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .works-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--surface);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 10px 30px var(--shadow);
        border-top: 1px solid var(--border);
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .works-filter {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .section {
        padding: 4rem 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .services-grid,
    .works-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .about-buttons {
        flex-direction: column;
    }

    .about-buttons .btn {
        width: 100%;
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .social-links {
        flex-direction: column;
    }

    .social-link {
        text-align: center;
    }
}

/* Loading Animation */
.loading {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.loaded {
    opacity: 1;
}

/* Fade-in Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Testimonials Section */
#testimonials {
    background: var(--surface);
    position: relative;
    overflow: hidden;
}

.section-subtitle {
    text-align: center;
    color: var(--secondary);
    font-size: 1.1rem;
    margin-bottom: 4rem;
    font-weight: 300;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.testimonials-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto 4rem;
}

.testimonials-slider {
    overflow: hidden;
    border-radius: 0;
    position: relative;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    gap: 2rem;
}

.testimonial-card {
    flex: 0 0 calc(33.333% - 1.33rem);
    min-width: 0;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 2.5rem;
    box-shadow: 0 10px 30px var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 1rem;
    left: 2rem;
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.1;
    font-family: serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px var(--shadow);
    border-color: var(--primary);
}

.testimonial-content {
    position: relative;
    z-index: 2;
}

.testimonial-text {
    margin-bottom: 2rem;
}

.testimonial-text p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text);
    font-style: italic;
    position: relative;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--border);
    flex-shrink: 0;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.testimonial-card:hover .author-avatar img {
    filter: grayscale(0%);
}

.author-info h4 {
    color: var(--text);
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.author-info p {
    color: var(--secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.rating {
    display: flex;
    gap: 0.1rem;
}

.star {
    color: var(--primary);
    font-size: 0.8rem;
}

/* Testimonial Controls */
.testimonial-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

.control-btn {
    background: var(--bg);
    border: 2px solid var(--border);
    color: var(--text);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 0;
}

.control-btn:hover {
    background: var(--primary);
    color: var(--bg);
    border-color: var(--primary);
    transform: scale(1.1);
}

.control-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.control-btn:disabled:hover {
    background: var(--bg);
    color: var(--text);
    border-color: var(--border);
}

.testimonial-dots {
    display: flex;
    gap: 0.75rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active,
.dot:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.2);
}

/* Testimonials Statistics */
.testimonials-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 1px solid var(--border);
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
    border-color: var(--primary);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    color: var(--secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Mobile Responsive for Testimonials */
@media (max-width: 1024px) {
    .testimonial-card {
        flex: 0 0 calc(50% - 1rem);
    }
}

@media (max-width: 768px) {
    .testimonials-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonial-card {
        flex: 0 0 100%;
    }

    .testimonial-controls {
        gap: 1rem;
    }

    .control-btn {
        width: 44px;
        height: 44px;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .testimonials-stats {
        grid-template-columns: 1fr;
    }

    .testimonial-author {
        flex-direction: column;
        text-align: center;
    }

    .author-avatar {
        width: 80px;
        height: 80px;
    }

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

    .testimonial-controls {
        flex-wrap: wrap;
    }
}

/* Animation for counter */
@keyframes countUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.stat-number.animated {
    animation: countUp 0.6s ease-out;
}

/* Packages Section */
#packages {
    background: var(--bg);
    position: relative;
    /* Adding position relative if needed for stacking contexts */
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    align-items: flex-start;
}

.package-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: 0 10px 30px var(--shadow);
}

.package-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px var(--shadow);
    border-color: var(--primary);
}

.package-card.popular {
    transform: scale(1.05);
    border: 2px solid var(--primary);
    z-index: 1;
}

.package-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--primary);
    color: var(--bg);
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.package-header h3 {
    color: var(--text);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.package-desc {
    color: var(--secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.package-features {
    list-style: none;
    margin-bottom: 2.5rem;
    text-align: left;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 2rem 0;
}

.package-features li {
    padding: 0.75rem 0;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.package-features li::before {
    content: '✓';
    color: var(--primary);
    font-weight: bold;
    margin-right: 0.5rem;
}

@media (max-width: 768px) {
    .package-card.popular {
        transform: scale(1);
        z-index: 0;
    }

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

/* Blog Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: var(--dark-overlay-color);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    opacity: 1;
}

.modal-content {
    background-color: var(--surface);
    margin: 5% auto;
    width: 90%;
    max-width: 800px;
    border-radius: 0;
    box-shadow: 0 25px 50px var(--shadow);
    position: relative;
    border: 1px solid var(--border);
    transform: translateY(20px);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 20px;
    color: white;
    font-size: 2rem;
    font-weight: bold;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    cursor: pointer;
    z-index: 10;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.close-modal:hover {
    background: var(--primary);
    transform: rotate(90deg);
}

.modal-image-container {
    position: relative;
    width: 100%;
    height: 300px;
}

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

.modal-text {
    padding: 2.5rem;
}

#modalTitle {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
    line-height: 1.2;
}

.article-content {
    color: var(--text);
    line-height: 1.8;
    font-size: 1.1rem;
}

.article-content p {
    margin-bottom: 1.5rem;
}

.modal-body {
    max-height: 80vh;
    overflow-y: auto;
}

/* Payment Modal Specifics */
.payment-modal-content {
    max-width: 500px;
    text-align: center;
}

.payment-header {
    margin-bottom: 2rem;
}

.payment-header h2 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.payment-subtitle {
    color: var(--secondary);
}

.highlight-text {
    color: var(--primary);
    font-weight: bold;
}

.payment-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 1.5rem;
}

.payment-features-list {
    list-style: none;
    text-align: left;
    background: var(--bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    border: 1px solid var(--border);
}

.payment-features-list li {
    padding: 0.5rem 0;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.payment-features-list li::before {
    content: '✓';
    color: var(--primary);
    font-weight: bold;
}

.secure-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.full-width {
    width: 100%;
}

.payment-terms {
    font-size: 0.8rem;
    color: var(--secondary);
    margin-top: 1rem;
}

/* Payment Methods */
.payment-methods {
    margin-bottom: 2rem;
    text-align: left;
}

.payment-methods h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.method-card {
    cursor: pointer;
    position: relative;
}

.method-card input {
    position: absolute;
    opacity: 0;
}

.method-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 8px;
    transition: all 0.3s ease;
    height: 120px;
}

.method-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: 0.5rem;
}

.method-name {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Selected State */
.method-card input:checked+.method-content {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
    /* Primary color with opacity */
    box-shadow: 0 0 15px rgba(37, 99, 235, 0.2);
}

.method-card:hover .method-content {
    border-color: var(--primary);
}

@media (max-width: 480px) {
    .method-grid {
        grid-template-columns: 1fr;
    }

    .method-content {
        flex-direction: row;
        justify-content: flex-start;
        gap: 1rem;
    }

    .method-icon {
        margin-bottom: 0;
    }
}