/* CSS Variables for Theming */
:root {
    /* Dark Theme (Default) - Professional */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent-primary: #10b981;
    --accent-secondary: #059669;
    --border-color: #475569;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --header-bg: #0f172a;
    --section-bg: #1e293b;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --accent-primary: #047857;
    --accent-secondary: #065f46;
    --border-color: #e2e8f0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --header-bg: #ffffff;
    --section-bg: #f8fafc;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    background-attachment: fixed;
    min-height: 100vh;
    position: relative;
    transition: all 0.3s ease;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(5, 150, 105, 0.05) 100%);
    pointer-events: none;
    z-index: -1;
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--header-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 0 20px var(--shadow-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    transition: all 0.3s ease;
}

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

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

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.theme-toggle {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--accent-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.theme-toggle:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 6px 20px var(--shadow-color);
    transform: scale(1.1);
}

.theme-toggle i {
    transition: transform 0.3s ease;
}

/* Auth Buttons */
.auth-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.auth-btn {
    padding: 0.5rem 1rem;
    border: 2px solid var(--accent-primary);
    background: transparent;
    color: var(--accent-primary);
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.auth-btn:hover {
    background: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow-color);
}

.login-btn {
    border-color: var(--accent-primary);
}

.login-btn:hover {
    background: var(--accent-primary);
}

.register-btn {
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
}

.register-btn:hover {
    background: var(--accent-secondary);
    color: var(--text-primary);
}

.logout-btn {
    border-color: #dc2626;
    color: #dc2626;
    margin-right: 1rem;
}

.logout-btn:hover {
    background: #dc2626;
    color: var(--text-primary);
}

/* Auth Modals */
.auth-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.auth-modal.show {
    display: flex;
}

.auth-modal .modal-content {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    width: 90%;
    max-width: 450px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px var(--shadow-color);
}

.auth-modal .modal-header {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: var(--text-primary);
    padding: 1.5rem;
    border-radius: 12px 12px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1.2rem;
}

.auth-modal .modal-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.auth-modal .modal-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
}

.auth-modal .modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.auth-modal .modal-body {
    padding: 2rem;
}

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

.auth-modal .form-group label {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.auth-modal .form-group input,
.auth-modal .form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.auth-modal .form-group input:focus,
.auth-modal .form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px var(--shadow-color);
}

.auth-submit-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: var(--text-primary);
    border: none;
    border-radius: 50px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px var(--shadow-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.auth-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-color);
}

.auth-links {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.auth-links p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.auth-links a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.auth-links a:hover {
    color: var(--accent-secondary);
}

/* Hero Section */
#hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 204, 255, 0.1) 100%);
    position: relative;
    transition: all 0.3s ease;
}

[data-theme="light"] #hero {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1) 0%, rgba(0, 123, 255, 0.1) 100%);
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(0,255,136,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,119,198,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(120,219,226,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
    transition: all 0.3s ease;
}

[data-theme="light"] #hero::before {
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(40,167,69,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(0,123,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(108,117,125,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
}

.hero-content {
    text-align: center;
    margin-bottom: 3rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

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

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: var(--text-primary);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 15px var(--shadow-color);
    border: 2px solid transparent;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--shadow-color);
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
    border-color: var(--accent-primary);
}

.hero-image {
    text-align: center;
}

.profile-pic {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 5px solid #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Project Request Section */
#project-request {
    padding: 80px 0;
    background: rgba(10, 10, 10, 0.95);
    border-top: 1px solid rgba(0, 255, 136, 0.3);
}

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

.request-info h3 {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.request-info > p {
    color: #e0e0e0;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.pricing-card {
    background: rgba(26, 26, 46, 0.8);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: #00ff88;
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

.pricing-card.featured {
    border-color: #00ff88;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
    transform: scale(1.05);
}

.pricing-card h4 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #00ff88;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.pricing-card li {
    color: #e0e0e0;
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.pricing-card li::before {
    content: '✓';
    color: #00ff88;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.request-form-container {
    background: rgba(10, 10, 10, 0.8);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 15px;
    padding: 2rem;
}

.request-form h3 {
    color: #fff;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.request-form input,
.request-form select,
.request-form textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(0, 255, 136, 0.3);
    border-radius: 10px;
    background: rgba(26, 26, 46, 0.8);
    color: #e0e0e0;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: all 0.3s;
    margin-bottom: 1rem;
}

.request-form input:focus,
.request-form select:focus,
.request-form textarea:focus {
    outline: none;
    border-color: #00ff88;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.request-form textarea {
    resize: vertical;
    min-height: 100px;
}

.budget-range,
.timeline {
    margin-bottom: 1rem;
}

.budget-range label,
.timeline label {
    display: block;
    color: #e0e0e0;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.payment-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(0, 255, 136, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.payment-section h4 {
    color: #00ff88;
    margin-bottom: 1rem;
    text-align: center;
}

#card-element {
    padding: 1rem;
    border: 2px solid rgba(0, 255, 136, 0.3);
    border-radius: 10px;
    background: rgba(26, 26, 46, 0.8);
    color: #e0e0e0;
}

#card-errors {
    color: #ff6b6b;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    text-align: center;
}

.submit-btn {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #00ff88 0%, #00ccff 100%);
    color: #000;
    border: none;
    border-radius: 50px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 255, 136, 0.5);
    background: linear-gradient(135deg, #00ccff 0%, #00ff88 100%);
}

.payment-note {
    text-align: center;
    color: #e0e0e0;
    font-size: 0.9rem;
    margin-top: 1rem;
    font-style: italic;
}

/* Sections */
section {
    padding: 80px 0;
    background: var(--section-bg);
    backdrop-filter: blur(20px);
    margin: 0;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

section:nth-child(even) {
    background: var(--bg-tertiary);
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

/* About Section */
.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #e0e0e0;
}

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

.stat {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.2) 0%, rgba(0, 204, 255, 0.2) 100%);
    color: #fff;
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 136, 0.3);
    box-shadow: 0 5px 15px rgba(0, 255, 136, 0.2);
}

.stat h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}


/* Projects Section */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project {
    background: rgba(10, 10, 10, 0.8);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(0, 255, 136, 0.3);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.1);
    transition: all 0.3s;
}

.project:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.3);
    border-color: #00ff88;
}

.project-icon {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.2) 0%, rgba(0, 204, 255, 0.2) 100%);
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #00ff88;
    border-bottom: 1px solid rgba(0, 255, 136, 0.3);
}

.project h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 1.3rem;
    font-weight: 600;
    color: #fff;
}

.project p {
    padding: 0 1.5rem;
    color: #e0e0e0;
    margin-bottom: 1rem;
}

.project-tech {
    padding: 0 1.5rem;
    margin-bottom: 1rem;
}

.project-tech span {
    display: inline-block;
    background: rgba(0, 255, 136, 0.2);
    color: #00ff88;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.project-link {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, #00ff88 0%, #00ccff 100%);
    color: #000;
    text-decoration: none;
    border-radius: 25px;
    margin: 0 1.5rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.project-link:hover {
    transform: translateY(-2px);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-item {
    text-align: center;
    padding: 2rem;
    background: rgba(10, 10, 10, 0.8);
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.3);
    box-shadow: 0 5px 15px rgba(0, 255, 136, 0.1);
    transition: all 0.3s;
}

.skill-item:hover {
    transform: translateY(-5px);
    border-color: #00ff88;
    box-shadow: 0 10px 25px rgba(0, 255, 136, 0.3);
}

.skill-item i {
    font-size: 3rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

.skill-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #fff;
}

.skill-item p {
    color: #e0e0e0;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--accent-primary);
    width: 50px;
}

.contact-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: #fff;
}

.contact-item p {
    color: #e0e0e0;
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00ff88 0%, #00ccff 100%);
    color: #000;
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.3rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.social-link:hover {
    transform: scale(1.1);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 2px solid rgba(0, 255, 136, 0.3);
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: all 0.3s;
    background: rgba(10, 10, 10, 0.8);
    color: #e0e0e0;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #00ff88;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form button {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #00ff88 0%, #00ccff 100%);
    color: #000;
    border: none;
    border-radius: 50px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.contact-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 255, 136, 0.5);
    background: linear-gradient(135deg, #00ccff 0%, #00ff88 100%);
}

/* Footer */
footer {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

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

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

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .about-content {
        text-align: center;
    }

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

    .project-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

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

    nav ul {
        display: none;
    }

    .logo {
        font-size: 1.2rem;
    }

    .nav-right {
        gap: 1rem;
    }

    .theme-toggle {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .request-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: none;
        order: -1;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .request-form-container {
        padding: 1.5rem;
    }

    .auth-buttons {
        gap: 0.5rem;
    }

    .auth-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .chat-widget {
        bottom: 20px;
        right: 20px;
        width: 300px;
        max-height: 400px;
    }

    .chat-toggle {
        bottom: 20px;
        right: 20px;
    }

    .auth-modal .modal-content {
        width: 95%;
        margin: 20px;
    }

    .auth-modal .modal-body {
        padding: 1.5rem;
    }
}

/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 350px;
    height: 500px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow-color);
    display: none;
    flex-direction: column;
    z-index: 1001;
    transition: all 0.3s ease;
}

.chat-widget.show {
    display: flex;
}

.chat-header {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: var(--text-primary);
    padding: 1rem;
    border-radius: 12px 12px 0 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.chat-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.2rem;
    border-radius: 50%;
    width: 25px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.message-content {
    background: var(--bg-secondary);
    padding: 0.8rem 1rem;
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.4;
}

.bot-message .message-content {
    background: var(--accent-primary);
    color: var(--text-primary);
    align-self: flex-start;
}

.user-message {
    align-items: flex-end;
}

.user-message .message-content {
    background: var(--accent-secondary);
    color: var(--text-primary);
    align-self: flex-end;
}

.message-time {
    font-size: 0.7rem;
    color: var(--text-secondary);
    align-self: flex-start;
}

.user-message .message-time {
    align-self: flex-end;
}

.chat-input {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.chat-input input {
    flex: 1;
    padding: 0.8rem;
    border: 2px solid var(--border-color);
    border-radius: 25px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.3s;
}

.chat-input input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.chat-send {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.chat-send:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px var(--shadow-color);
}

.chat-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 4px 15px var(--shadow-color);
    z-index: 1000;
    transition: all 0.3s;
}

.chat-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px var(--shadow-color);
}