:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #0ea5e9;
    --accent-color: #f43f5e;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-brand {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    color: #fbbf24;
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* About Section */
.about {
    background-color: #ffffff;
}

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

.about-text {
    font-size: 1.125rem;
    color: #334155;
    line-height: 1.8;
}

.about-text p {
    margin-bottom: 1.5rem;
}

.skills h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #0f172a;
}

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

.skill-tag {
    padding: 0.5rem 1rem;
    background-color: #f1f5f9;
    border: 2px solid #94a3b8;
    border-radius: 2rem;
    font-weight: 600;
    color: #1e293b;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background-color: #6366f1;
    border-color: #6366f1;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.3);
}

/* Projects Section */
.projects {
    background-color: var(--bg-primary);
}

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

.project-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

.project-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.project-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.project-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    color: var(--text-primary);
    flex: 1;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.project-features {
    margin-bottom: 1.5rem;
}

.project-features h4 {
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.project-features ul {
    list-style: none;
    padding-left: 0;
}

.project-features li {
    padding: 0.375rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

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

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    padding: 0.375rem 0.75rem;
    background-color: var(--bg-secondary);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-color);
}

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

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: var(--primary-dark);
    gap: 0.75rem;
}

.project-link svg {
    transition: transform 0.3s ease;
}

.project-link:hover svg {
    transform: translateX(3px) translateY(-3px);
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.contact .section-title {
    color: white;
}

.contact .section-title::after {
    background: white;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-intro {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.95;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.contact-card {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 2rem;
    text-decoration: none;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.contact-card:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.4);
}

.contact-card span {
    font-weight: 600;
    font-size: 1.125rem;
}

/* Contact Form */
.contact-form {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 2.5rem;
    margin-bottom: 2rem;
    text-align: left;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: white;
    font-size: 1rem;
}

.required {
    color: #fbbf24;
    font-weight: 700;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 0.5rem;
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: white;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input:hover:not(:focus),
.form-group textarea:hover:not(:focus) {
    border-color: rgba(255, 255, 255, 0.5);
}

/* Error States */
.form-group input.error,
.form-group textarea.error {
    border-color: #ef4444;
    background-color: #fef2f2;
}

.form-group input.error:focus,
.form-group textarea.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.error-message {
    display: block;
    color: #fee2e2;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    min-height: 1.25rem;
    font-weight: 500;
}

.error-message:not(:empty) {
    background-color: rgba(239, 68, 68, 0.2);
    padding: 0.5rem;
    border-radius: 0.375rem;
    border-left: 3px solid #ef4444;
}

/* Form Status Messages */
.form-status {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    display: none;
}

.form-status.show {
    display: block;
}

.form-status.success {
    background-color: rgba(34, 197, 94, 0.2);
    border: 2px solid rgba(34, 197, 94, 0.5);
    color: #d1fae5;
}

.form-status.error {
    background-color: rgba(239, 68, 68, 0.2);
    border: 2px solid rgba(239, 68, 68, 0.5);
    color: #fee2e2;
}

/* Submit Button */
.btn-submit {
    width: 100%;
    position: relative;
    cursor: pointer;
}

.btn-submit .btn-loading {
    display: none;
}

.btn-submit.loading .btn-text {
    opacity: 0;
}

.btn-submit.loading .btn-loading {
    display: inline;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Contact Divider */
.contact-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 3rem 0 2rem;
    color: white;
    opacity: 0.8;
}

.contact-divider::before,
.contact-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.contact-divider span {
    padding: 0 1rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: white;
    text-align: center;
    padding: 2rem;
}

.footer p {
    opacity: 0.8;
}

/* Privacy Policy Link */
.privacy-link {
    background: none;
    border: none;
    color: white;
    text-decoration: underline;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    opacity: 0.8;
    transition: opacity 0.3s ease;
    padding: 0;
}

.privacy-link:hover,
.privacy-link:focus {
    opacity: 1;
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal:not([hidden]) {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background-color: white;
    border-radius: 1rem;
    max-width: 50rem;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-2rem);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.375rem;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-close:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

/* Privacy Policy Content Styles */
.modal-body [data-custom-class="body"] {
    color: var(--text-primary);
    line-height: 1.6;
}

.modal-body [data-custom-class="heading_1"] {
    font-family: 'Poppins', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.modal-body [data-custom-class="body_text"] {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.modal-body [data-custom-class="subtitle"] {
    color: var(--text-light);
    font-size: 0.875rem;
}

.modal-body a[data-custom-class="link"] {
    color: var(--primary-color);
    text-decoration: underline;
    transition: color 0.3s ease;
}

.modal-body a[data-custom-class="link"]:hover {
    color: var(--primary-dark);
}

.modal-body ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.modal-body ul li {
    margin: 0.5rem 0;
}

/* Responsive Modal */
@media (max-width: 768px) {
    .modal-content {
        max-height: 95vh;
    }

    .modal-header {
        padding: 1.25rem 1.5rem;
    }

    .modal-header h2 {
        font-size: 1.25rem;
    }

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

@media (max-width: 480px) {
    .modal {
        padding: 0.5rem;
    }

    .modal-content {
        border-radius: 0.75rem;
    }

    .modal-header {
        padding: 1rem 1.25rem;
    }

    .modal-header h2 {
        font-size: 1.125rem;
    }

    .modal-body {
        padding: 1.25rem;
    }

    .footer p {
        font-size: 0.875rem;
        line-height: 1.6;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease;
}

/* Responsive Design */
@media (max-width: 968px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 1.5rem;
    }

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

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .hero-description {
        font-size: 1.125rem;
    }

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

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

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

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

    .contact-form {
        padding: 2rem;
    }
}

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

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

    .project-card {
        padding: 1.5rem;
    }

    section {
        padding: 3rem 0;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .form-group label {
        font-size: 0.9375rem;
    }

    .form-group input,
    .form-group textarea {
        font-size: 0.9375rem;
        padding: 0.75rem;
    }

    .contact-divider span {
        font-size: 0.8125rem;
    }
}